diff --git a/src/Backend/DiunaBI.Database/Context/AppDbContext.cs b/src/Backend/DiunaBI.Core/Database/Context/AppDbContext.cs
similarity index 93%
rename from src/Backend/DiunaBI.Database/Context/AppDbContext.cs
rename to src/Backend/DiunaBI.Core/Database/Context/AppDbContext.cs
index 3b5b0e0..ad56609 100644
--- a/src/Backend/DiunaBI.Database/Context/AppDbContext.cs
+++ b/src/Backend/DiunaBI.Core/Database/Context/AppDbContext.cs
@@ -2,7 +2,7 @@
 using DiunaBI.Core.Models;
 using Microsoft.Extensions.Logging;
 
-namespace DiunaBI.Database.Context;
+namespace DiunaBI.Core.Database.Context;
 
 public class AppDbContext(DbContextOptions<AppDbContext> options) : DbContext(options)
 {
diff --git a/src/Backend/DiunaBI.Database/Context/DesignTimeDbContextFactory.cs b/src/Backend/DiunaBI.Core/Database/Context/DesignTimeDbContextFactory.cs
similarity index 96%
rename from src/Backend/DiunaBI.Database/Context/DesignTimeDbContextFactory.cs
rename to src/Backend/DiunaBI.Core/Database/Context/DesignTimeDbContextFactory.cs
index 12add8d..378b43f 100644
--- a/src/Backend/DiunaBI.Database/Context/DesignTimeDbContextFactory.cs
+++ b/src/Backend/DiunaBI.Core/Database/Context/DesignTimeDbContextFactory.cs
@@ -4,7 +4,7 @@ using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Design;
 using Microsoft.Extensions.Configuration;
 
-namespace DiunaBI.Database.Context;
+namespace DiunaBI.Core.Database.Context;
 
 public class DesignTimeDbContextFactory : IDesignTimeDbContextFactory<AppDbContext>
 {
diff --git a/src/Backend/DiunaBI.Database/Migrations/20221205190148_Initial.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20221205190148_Initial.Designer.cs
similarity index 94%
rename from src/Backend/DiunaBI.Database/Migrations/20221205190148_Initial.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20221205190148_Initial.Designer.cs
index e22e413..c0baa9b 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20221205190148_Initial.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20221205190148_Initial.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20221205190148_Initial.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20221205190148_Initial.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20221205190148_Initial.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20221205190148_Initial.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20221211210507_DataSetsAndDataRows.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20221211210507_DataSetsAndDataRows.Designer.cs
similarity index 96%
rename from src/Backend/DiunaBI.Database/Migrations/20221211210507_DataSetsAndDataRows.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20221211210507_DataSetsAndDataRows.Designer.cs
index d1f6ba6..e5ac00e 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20221211210507_DataSetsAndDataRows.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20221211210507_DataSetsAndDataRows.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20221211210507_DataSetsAndDataRows.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20221211210507_DataSetsAndDataRows.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20221211210507_DataSetsAndDataRows.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20221211210507_DataSetsAndDataRows.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20221219163620_RenameFields.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20221219163620_RenameFields.Designer.cs
similarity index 96%
rename from src/Backend/DiunaBI.Database/Migrations/20221219163620_RenameFields.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20221219163620_RenameFields.Designer.cs
index 3ca66f9..162b159 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20221219163620_RenameFields.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20221219163620_RenameFields.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20221219163620_RenameFields.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20221219163620_RenameFields.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20221219163620_RenameFields.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20221219163620_RenameFields.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20221221165749_DataSetIdOnDataRow.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20221221165749_DataSetIdOnDataRow.Designer.cs
similarity index 96%
rename from src/Backend/DiunaBI.Database/Migrations/20221221165749_DataSetIdOnDataRow.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20221221165749_DataSetIdOnDataRow.Designer.cs
index e151324..1fdce1c 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20221221165749_DataSetIdOnDataRow.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20221221165749_DataSetIdOnDataRow.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20221221165749_DataSetIdOnDataRow.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20221221165749_DataSetIdOnDataRow.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20221221165749_DataSetIdOnDataRow.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20221221165749_DataSetIdOnDataRow.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20230106095427_RenameModels.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20230106095427_RenameModels.Designer.cs
similarity index 96%
rename from src/Backend/DiunaBI.Database/Migrations/20230106095427_RenameModels.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20230106095427_RenameModels.Designer.cs
index a48de5a..07be6ad 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20230106095427_RenameModels.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20230106095427_RenameModels.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20230106095427_RenameModels.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20230106095427_RenameModels.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20230106095427_RenameModels.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20230106095427_RenameModels.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20230626171614_LayerType.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20230626171614_LayerType.Designer.cs
similarity index 99%
rename from src/Backend/DiunaBI.Database/Migrations/20230626171614_LayerType.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20230626171614_LayerType.Designer.cs
index 54ead09..517ba43 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20230626171614_LayerType.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20230626171614_LayerType.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20230626171614_LayerType.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20230626171614_LayerType.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20230626171614_LayerType.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20230626171614_LayerType.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20230821105757_Record.Values.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20230821105757_Record.Values.Designer.cs
similarity index 99%
rename from src/Backend/DiunaBI.Database/Migrations/20230821105757_Record.Values.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20230821105757_Record.Values.Designer.cs
index 5787223..ae1da37 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20230821105757_Record.Values.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20230821105757_Record.Values.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20230821105757_Record.Values.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20230821105757_Record.Values.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20230821105757_Record.Values.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20230821105757_Record.Values.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20230917110252_Layer.parent.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20230917110252_Layer.parent.Designer.cs
similarity index 99%
rename from src/Backend/DiunaBI.Database/Migrations/20230917110252_Layer.parent.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20230917110252_Layer.parent.Designer.cs
index e07e1d1..c7afb66 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20230917110252_Layer.parent.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20230917110252_Layer.parent.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20230917110252_Layer.parent.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20230917110252_Layer.parent.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20230917110252_Layer.parent.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20230917110252_Layer.parent.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20230918090621_ProcessSource.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20230918090621_ProcessSource.Designer.cs
similarity index 99%
rename from src/Backend/DiunaBI.Database/Migrations/20230918090621_ProcessSource.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20230918090621_ProcessSource.Designer.cs
index 96cc281..37af610 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20230918090621_ProcessSource.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20230918090621_ProcessSource.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20230918090621_ProcessSource.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20230918090621_ProcessSource.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20230918090621_ProcessSource.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20230918090621_ProcessSource.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20230918093055_TypeO.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20230918093055_TypeO.Designer.cs
similarity index 99%
rename from src/Backend/DiunaBI.Database/Migrations/20230918093055_TypeO.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20230918093055_TypeO.Designer.cs
index fdc03a4..b19ab99 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20230918093055_TypeO.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20230918093055_TypeO.Designer.cs
@@ -7,7 +7,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20230918093055_TypeO.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20230918093055_TypeO.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20230918093055_TypeO.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20230918093055_TypeO.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20231030142419_Record.Value32.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20231030142419_Record.Value32.Designer.cs
similarity index 99%
rename from src/Backend/DiunaBI.Database/Migrations/20231030142419_Record.Value32.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20231030142419_Record.Value32.Designer.cs
index b60890d..4b2411d 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20231030142419_Record.Value32.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20231030142419_Record.Value32.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20231030142419_Record.Value32.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20231030142419_Record.Value32.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20231030142419_Record.Value32.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20231030142419_Record.Value32.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20240309075645_Change record value type.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20240309075645_Change record value type.Designer.cs
similarity index 99%
rename from src/Backend/DiunaBI.Database/Migrations/20240309075645_Change record value type.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20240309075645_Change record value type.Designer.cs
index c7faeaa..e226d0c 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20240309075645_Change record value type.Designer.cs	
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20240309075645_Change record value type.Designer.cs	
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20240309075645_Change record value type.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20240309075645_Change record value type.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20240309075645_Change record value type.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20240309075645_Change record value type.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20240703171630_AfterCodeRefactor.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20240703171630_AfterCodeRefactor.Designer.cs
similarity index 99%
rename from src/Backend/DiunaBI.Database/Migrations/20240703171630_AfterCodeRefactor.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20240703171630_AfterCodeRefactor.Designer.cs
index fea2a0b..6ed6f16 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20240703171630_AfterCodeRefactor.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20240703171630_AfterCodeRefactor.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20240703171630_AfterCodeRefactor.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20240703171630_AfterCodeRefactor.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20240703171630_AfterCodeRefactor.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20240703171630_AfterCodeRefactor.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20240703173337_DataInboxModel.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20240703173337_DataInboxModel.Designer.cs
similarity index 99%
rename from src/Backend/DiunaBI.Database/Migrations/20240703173337_DataInboxModel.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20240703173337_DataInboxModel.Designer.cs
index 5b047dd..5ab24ba 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20240703173337_DataInboxModel.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20240703173337_DataInboxModel.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20240703173337_DataInboxModel.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20240703173337_DataInboxModel.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20240703173337_DataInboxModel.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20240703173337_DataInboxModel.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20240825144443_QueueJobs.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20240825144443_QueueJobs.Designer.cs
similarity index 99%
rename from src/Backend/DiunaBI.Database/Migrations/20240825144443_QueueJobs.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20240825144443_QueueJobs.Designer.cs
index 54160aa..803a714 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20240825144443_QueueJobs.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20240825144443_QueueJobs.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20240825144443_QueueJobs.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20240825144443_QueueJobs.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20240825144443_QueueJobs.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20240825144443_QueueJobs.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20250317114722_LongerDesc1.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20250317114722_LongerDesc1.Designer.cs
similarity index 99%
rename from src/Backend/DiunaBI.Database/Migrations/20250317114722_LongerDesc1.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20250317114722_LongerDesc1.Designer.cs
index 6fc4823..a50b999 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20250317114722_LongerDesc1.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20250317114722_LongerDesc1.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20250317114722_LongerDesc1.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20250317114722_LongerDesc1.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20250317114722_LongerDesc1.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20250317114722_LongerDesc1.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/20250529093632_LayersIsCancelled.Designer.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20250529093632_LayersIsCancelled.Designer.cs
similarity index 99%
rename from src/Backend/DiunaBI.Database/Migrations/20250529093632_LayersIsCancelled.Designer.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20250529093632_LayersIsCancelled.Designer.cs
index 917717d..f2af26e 100644
--- a/src/Backend/DiunaBI.Database/Migrations/20250529093632_LayersIsCancelled.Designer.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/20250529093632_LayersIsCancelled.Designer.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Migrations;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Database/Migrations/20250529093632_LayersIsCancelled.cs b/src/Backend/DiunaBI.Core/Database/Migrations/20250529093632_LayersIsCancelled.cs
similarity index 100%
rename from src/Backend/DiunaBI.Database/Migrations/20250529093632_LayersIsCancelled.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/20250529093632_LayersIsCancelled.cs
diff --git a/src/Backend/DiunaBI.Database/Migrations/AppDbContextModelSnapshot.cs b/src/Backend/DiunaBI.Core/Database/Migrations/AppDbContextModelSnapshot.cs
similarity index 99%
rename from src/Backend/DiunaBI.Database/Migrations/AppDbContextModelSnapshot.cs
rename to src/Backend/DiunaBI.Core/Database/Migrations/AppDbContextModelSnapshot.cs
index 0907c7e..3bc187d 100644
--- a/src/Backend/DiunaBI.Database/Migrations/AppDbContextModelSnapshot.cs
+++ b/src/Backend/DiunaBI.Core/Database/Migrations/AppDbContextModelSnapshot.cs
@@ -5,7 +5,7 @@ using Microsoft.EntityFrameworkCore.Infrastructure;
 using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 #nullable disable
 
diff --git a/src/Backend/DiunaBI.Core/DiunaBI.Core.csproj b/src/Backend/DiunaBI.Core/DiunaBI.Core.csproj
index 1920750..0a2988e 100644
--- a/src/Backend/DiunaBI.Core/DiunaBI.Core.csproj
+++ b/src/Backend/DiunaBI.Core/DiunaBI.Core.csproj
@@ -9,7 +9,21 @@
     <PackageReference Include="Google.Apis.Drive.v3" Version="1.68.0.3490" />
     <PackageReference Include="Google.Apis.Sheets.v4" Version="1.68.0.3525" />
     <PackageReference Include="Google.Apis.Auth" Version="1.68.0" />
-    <PackageReference Include="AngouriMath" Version="1.4.0-preview.3" /> 
+    <PackageReference Include="AngouriMath" Version="1.4.0-preview.3" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="8.0.0" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/Backend/DiunaBI.Core/Interfaces/IJobQueueService.cs b/src/Backend/DiunaBI.Core/Interfaces/IJobQueueService.cs
new file mode 100644
index 0000000..25a70be
--- /dev/null
+++ b/src/Backend/DiunaBI.Core/Interfaces/IJobQueueService.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using DiunaBI.Core.Models;
+
+namespace DiunaBI.Core.Interfaces;
+
+public interface IJobQueueService
+{
+    Task EnqueueJobAsync(QueueJob job);
+    Task<QueueJob?> DequeueJobAsync(JobType? jobType = null);
+    Task MarkJobCompletedAsync(Guid jobId);
+    Task MarkJobFailedAsync(Guid jobId, string error);
+    Task MarkJobForRetryAsync(Guid jobId, string error);
+    Task<IEnumerable<QueueJob>> GetQueueStatusAsync();
+    Task<int> GetQueueCountAsync(JobType? jobType = null);
+    Task<int> GetRunningJobsCountAsync(JobType jobType);
+}
\ No newline at end of file
diff --git a/src/Backend/DiunaBI.Core/Models/QueueJob.cs b/src/Backend/DiunaBI.Core/Models/QueueJob.cs
index 54f5fdb..e7a4a2c 100644
--- a/src/Backend/DiunaBI.Core/Models/QueueJob.cs
+++ b/src/Backend/DiunaBI.Core/Models/QueueJob.cs
@@ -3,27 +3,68 @@ using System.ComponentModel.DataAnnotations;
 
 namespace DiunaBI.Core.Models;
 
-public enum JobStatus
+public class QueueJob
 {
-    New,
-    Failed,
-    Success
+    [Key]
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    [Required]
+    public Guid LayerId { get; set; }
+
+    [Required]
+    [MaxLength(200)]
+    public string LayerName { get; set; } = string.Empty;
+
+    [Required]
+    [MaxLength(100)]
+    public string PluginName { get; set; } = string.Empty;
+
+    [Required]
+    public JobType JobType { get; set; }
+
+    public int Priority { get; set; } = 0; // 0 = highest priority
+
+    [Required]
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    public int RetryCount { get; set; } = 0;
+
+    public int MaxRetries { get; set; } = 5;
+
+    [Required]
+    public JobStatus Status { get; set; } = JobStatus.Pending;
+
+    [MaxLength(1000)]
+    public string? LastError { get; set; }
+
+    public DateTime? LastAttemptAt { get; set; }
+
+    public DateTime? CompletedAt { get; set; }
+
+    [Required]
+    public Guid CreatedById { get; set; }
+
+    [Required]
+    public DateTime CreatedAtUtc { get; set; } = DateTime.UtcNow;
+
+    [Required]
+    public Guid ModifiedById { get; set; }
+
+    [Required]
+    public DateTime ModifiedAtUtc { get; set; } = DateTime.UtcNow;
 }
 
 public enum JobType
 {
-    ImportWorker,
-    ProcessWorker
+    Import = 0,
+    Process = 1
 }
 
-public class QueueJob
+public enum JobStatus
 {
-    [Key] public Guid Id { get; set; }
-    [Required] public Guid LayerId { get; set; }
-    [Required] public int Attempts { get; set; }
-    [Required] public JobStatus Status { get; set; } = JobStatus.New;
-    [Required] public JobType Type { get; set; } = JobType.ImportWorker;
-    public string Message { get; set; } = string.Empty;
-    [Required] public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
-    [Required] public DateTime ModifiedAt { get; set; } = DateTime.UtcNow;
+    Pending,
+    Running,
+    Completed,
+    Failed,
+    Retrying
 }
\ No newline at end of file
diff --git a/src/Backend/DiunaBI.Core/Services/JobQueueService.cs b/src/Backend/DiunaBI.Core/Services/JobQueueService.cs
new file mode 100644
index 0000000..c45201c
--- /dev/null
+++ b/src/Backend/DiunaBI.Core/Services/JobQueueService.cs
@@ -0,0 +1,155 @@
+
+using Microsoft.Extensions.Logging;
+using DiunaBI.Core.Models;
+using DiunaBI.Core.Interfaces;
+using System.Threading.Tasks;
+using DiunaBI.Core.Database.Context;
+using System;
+using System.Linq;
+using Microsoft.EntityFrameworkCore;
+using System.Collections.Generic;
+
+namespace DiunaBI.Core.Services;
+
+public class JobQueueService : IJobQueueService
+{
+    private readonly AppDbContext _db;
+    private readonly ILogger<JobQueueService> _logger;
+
+    public JobQueueService(AppDbContext db, ILogger<JobQueueService> logger)
+    {
+        _db = db;
+        _logger = logger;
+    }
+
+    public async Task EnqueueJobAsync(QueueJob job)
+    {
+        _db.QueueJobs.Add(job);
+        await _db.SaveChangesAsync();
+        
+        _logger.LogInformation("JobQueue: Enqueued {JobType} job {JobId} for layer {LayerName} with plugin {PluginName} (priority {Priority})",
+            job.JobType, job.Id, job.LayerName, job.PluginName, job.Priority);
+    }
+
+    public async Task<QueueJob?> DequeueJobAsync(JobType? jobType = null)
+    {
+        var query = _db.QueueJobs.Where(x => x.Status == JobStatus.Pending);
+        
+        if (jobType.HasValue)
+        {
+            query = query.Where(x => x.JobType == jobType.Value);
+        }
+
+        var job = await query
+            .OrderBy(x => x.JobType) // Importers first (0), then Processors (1)
+            .ThenBy(x => x.Priority)  // Then by priority
+            .ThenBy(x => x.CreatedAt) // Then FIFO
+            .FirstOrDefaultAsync();
+
+        if (job != null)
+        {
+            job.Status = JobStatus.Running;
+            job.LastAttemptAt = DateTime.UtcNow;
+            job.ModifiedAtUtc = DateTime.UtcNow;
+            await _db.SaveChangesAsync();
+            
+            _logger.LogDebug("JobQueue: Dequeued {JobType} job {JobId} for layer {LayerName} (priority {Priority})",
+                job.JobType, job.Id, job.LayerName, job.Priority);
+        }
+
+        return job;
+    }
+
+    public async Task MarkJobCompletedAsync(Guid jobId)
+    {
+        var job = await _db.QueueJobs.FindAsync(jobId);
+        if (job != null)
+        {
+            job.Status = JobStatus.Completed;
+            job.CompletedAt = DateTime.UtcNow;
+            job.ModifiedAtUtc = DateTime.UtcNow;
+            await _db.SaveChangesAsync();
+            
+            _logger.LogInformation("JobQueue: {JobType} job {JobId} completed successfully for layer {LayerName}",
+                job.JobType, jobId, job.LayerName);
+        }
+    }
+
+    public async Task MarkJobFailedAsync(Guid jobId, string error)
+    {
+        var job = await _db.QueueJobs.FindAsync(jobId);
+        if (job != null)
+        {
+            job.Status = JobStatus.Failed;
+            job.LastError = error;
+            job.ModifiedAtUtc = DateTime.UtcNow;
+            await _db.SaveChangesAsync();
+            
+            _logger.LogError("JobQueue: {JobType} job {JobId} failed permanently for layer {LayerName}: {Error}",
+                job.JobType, jobId, job.LayerName, error);
+        }
+    }
+
+    public async Task MarkJobForRetryAsync(Guid jobId, string error)
+    {
+        var job = await _db.QueueJobs.FindAsync(jobId);
+        if (job != null)
+        {
+            job.RetryCount++;
+            job.LastError = error;
+            job.ModifiedAtUtc = DateTime.UtcNow;
+            
+            if (job.RetryCount >= job.MaxRetries)
+            {
+                await MarkJobFailedAsync(jobId, $"Max retries ({job.MaxRetries}) exceeded. Last error: {error}");
+                return;
+            }
+            
+            job.Status = JobStatus.Retrying;
+            await _db.SaveChangesAsync();
+            
+            // Schedule retry with exponential backoff
+            var delayMinutes = Math.Pow(2, job.RetryCount);
+            _ = Task.Delay(TimeSpan.FromMinutes(delayMinutes))
+                .ContinueWith(async _ => 
+                {
+                    var retryJob = await _db.QueueJobs.FindAsync(jobId);
+                    if (retryJob?.Status == JobStatus.Retrying)
+                    {
+                        retryJob.Status = JobStatus.Pending;
+                        retryJob.ModifiedAtUtc = DateTime.UtcNow;
+                        await _db.SaveChangesAsync();
+                        
+                        _logger.LogWarning("JobQueue: {JobType} job {JobId} re-queued for retry {RetryCount}/{MaxRetries} for layer {LayerName}",
+                            retryJob.JobType, jobId, retryJob.RetryCount, retryJob.MaxRetries, retryJob.LayerName);
+                    }
+                });
+        }
+    }
+
+    public async Task<IEnumerable<QueueJob>> GetQueueStatusAsync()
+    {
+        return await _db.QueueJobs
+            .OrderBy(x => x.JobType)
+            .ThenBy(x => x.Priority)
+            .ThenBy(x => x.CreatedAt)
+            .ToListAsync();
+    }
+
+    public async Task<int> GetQueueCountAsync(JobType? jobType = null)
+    {
+        var query = _db.QueueJobs.Where(x => x.Status == JobStatus.Pending);
+        
+        if (jobType.HasValue)
+        {
+            query = query.Where(x => x.JobType == jobType.Value);
+        }
+
+        return await query.CountAsync();
+    }
+
+    public async Task<int> GetRunningJobsCountAsync(JobType jobType)
+    {
+        return await _db.QueueJobs.CountAsync(x => x.Status == JobStatus.Running && x.JobType == jobType);
+    }
+}
\ No newline at end of file
diff --git a/src/Backend/DiunaBI.Database/DiunaBI.Database.csproj b/src/Backend/DiunaBI.Database/DiunaBI.Database.csproj
deleted file mode 100644
index e3d6e0b..0000000
--- a/src/Backend/DiunaBI.Database/DiunaBI.Database.csproj
+++ /dev/null
@@ -1,27 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <!-- EF Core packages -->
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.0" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.0" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.0">
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-      <PrivateAssets>all</PrivateAssets>
-    </PackageReference>
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.0">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-    <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\DiunaBI.Core\DiunaBI.Core.csproj" />
-  </ItemGroup>
-</Project>
\ No newline at end of file
diff --git a/src/Backend/DiunaBI.Plugins.Morska/DiunaBI.Plugins.Morska.csproj b/src/Backend/DiunaBI.Plugins.Morska/DiunaBI.Plugins.Morska.csproj
index f208118..a3345a5 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/DiunaBI.Plugins.Morska.csproj
+++ b/src/Backend/DiunaBI.Plugins.Morska/DiunaBI.Plugins.Morska.csproj
@@ -12,6 +12,5 @@
 
   <ItemGroup>
     <ProjectReference Include="..\DiunaBI.Core\DiunaBI.Core.csproj" />
-    <ProjectReference Include="..\DiunaBI.Database\DiunaBI.Database.csproj" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaD1Importer.cs b/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaD1Importer.cs
index 8e3b2af..52d3975 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaD1Importer.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaD1Importer.cs
@@ -3,7 +3,7 @@ using Google.Apis.Sheets.v4;
 using Microsoft.Extensions.Logging;
 using Microsoft.EntityFrameworkCore;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 namespace DiunaBI.Plugins.Morska.Importers;
 
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaD3Importer.cs b/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaD3Importer.cs
index f019bde..ffae136 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaD3Importer.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaD3Importer.cs
@@ -4,7 +4,7 @@ using System.Text.Json;
 using Microsoft.Extensions.Logging;
 using Microsoft.EntityFrameworkCore;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 namespace DiunaBI.Plugins.Morska.Importers;
 
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaFK2Importer.cs b/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaFK2Importer.cs
index f94ce47..d8dd909 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaFK2Importer.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaFK2Importer.cs
@@ -3,7 +3,7 @@ using Google.Apis.Sheets.v4;
 using Microsoft.Extensions.Logging;
 using Microsoft.EntityFrameworkCore;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 namespace DiunaBI.Plugins.Morska.Importers;
 
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaImporter.cs b/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaImporter.cs
index 4f8ac22..15cc887 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaImporter.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Importers/MorskaImporter.cs
@@ -3,7 +3,7 @@ using Google.Apis.Sheets.v4;
 using Microsoft.Extensions.Logging;
 using Microsoft.EntityFrameworkCore;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 
 namespace DiunaBI.Plugins.Morska.Importers;
 
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/T1R1Processor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/T1R1Processor.cs
index d9d87fa..aa66b0c 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/T1R1Processor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/T1R1Processor.cs
@@ -3,7 +3,7 @@ using Google.Apis.Sheets.v4;
 using Google.Apis.Sheets.v4.Data;
 using Microsoft.EntityFrameworkCore;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using DiunaBI.Core.Services;
 using DiunaBI.Core.Services.Calculations;
 using Microsoft.Extensions.Logging;
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/T1R3Processor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/T1R3Processor.cs
index 6a6f633..7549f5a 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/T1R3Processor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/T1R3Processor.cs
@@ -5,7 +5,7 @@ using Google.Apis.Sheets.v4;
 using Google.Apis.Sheets.v4.Data;
 using Microsoft.EntityFrameworkCore;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using Microsoft.Extensions.Logging;
 
 namespace DiunaBI.Plugins.Morska.Processors;
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceCopySelectedCodesProcessor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceCopySelectedCodesProcessor.cs
index c35f36c..277b0d4 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceCopySelectedCodesProcessor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceCopySelectedCodesProcessor.cs
@@ -1,7 +1,7 @@
 using DiunaBI.Core.Services;
 using Microsoft.EntityFrameworkCore;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using Microsoft.Extensions.Logging;
 
 namespace DiunaBI.Plugins.Morska.Processors;
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceCopySelectedCodesYearSummaryProcessor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceCopySelectedCodesYearSummaryProcessor.cs
index d54728b..92f5089 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceCopySelectedCodesYearSummaryProcessor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceCopySelectedCodesYearSummaryProcessor.cs
@@ -1,7 +1,7 @@
 using DiunaBI.Core.Services;
 using Microsoft.EntityFrameworkCore;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using Microsoft.Extensions.Logging;
 
 namespace DiunaBI.Plugins.Morska.Processors;
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceSummaryProcessor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceSummaryProcessor.cs
index b4a7cb7..aebac1b 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceSummaryProcessor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceSummaryProcessor.cs
@@ -2,7 +2,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using DiunaBI.Core.Services.Calculations;
 
 namespace DiunaBI.Plugins.Morska.Processors;
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceYearSummaryProcessor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceYearSummaryProcessor.cs
index 90f7361..b418e7e 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceYearSummaryProcessor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/T3MultiSourceYearSummaryProcessor.cs
@@ -1,7 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using DiunaBI.Core.Services;
 using DiunaBI.Core.Services.Calculations;
 
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/T3SingleSourceProcessor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/T3SingleSourceProcessor.cs
index a4c9c9d..138c89a 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/T3SingleSourceProcessor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/T3SingleSourceProcessor.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using DiunaBI.Core.Services;
 using Microsoft.Extensions.Logging;
 using Google.Apis.Sheets.v4; 
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/T3SourceYearSummaryProcessor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/T3SourceYearSummaryProcessor.cs
index 85354e9..09b6972 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/T3SourceYearSummaryProcessor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/T3SourceYearSummaryProcessor.cs
@@ -2,7 +2,7 @@
 using Microsoft.Extensions.Logging;
 using Google.Apis.Sheets.v4;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using DiunaBI.Core.Services;
 
 namespace DiunaBI.Plugins.Morska.Processors;
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/T4R2Processor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/T4R2Processor.cs
index edb9e73..6a129f0 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/T4R2Processor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/T4R2Processor.cs
@@ -4,7 +4,7 @@ using Google.Apis.Sheets.v4.Data;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using DiunaBI.Core.Services;
 
 
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/T4SingleSourceProcessor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/T4SingleSourceProcessor.cs
index 1d44314..f58f1ca 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/T4SingleSourceProcessor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/T4SingleSourceProcessor.cs
@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using Microsoft.Extensions.Logging;
 using Google.Apis.Sheets.v4;
 
diff --git a/src/Backend/DiunaBI.Plugins.Morska/Processors/T5LastValuesProcessor.cs b/src/Backend/DiunaBI.Plugins.Morska/Processors/T5LastValuesProcessor.cs
index 5b3bc56..55dcf9b 100644
--- a/src/Backend/DiunaBI.Plugins.Morska/Processors/T5LastValuesProcessor.cs
+++ b/src/Backend/DiunaBI.Plugins.Morska/Processors/T5LastValuesProcessor.cs
@@ -1,7 +1,7 @@
 using DiunaBI.Core.Services;
 using Microsoft.EntityFrameworkCore;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using Microsoft.Extensions.Logging;
 
 namespace DiunaBI.Plugins.Morska.Processors;
diff --git a/src/Backend/DiunaBI.WebAPI/Controllers/AuthController.cs b/src/Backend/DiunaBI.WebAPI/Controllers/AuthController.cs
index 7ae6717..3bb10b0 100644
--- a/src/Backend/DiunaBI.WebAPI/Controllers/AuthController.cs
+++ b/src/Backend/DiunaBI.WebAPI/Controllers/AuthController.cs
@@ -6,8 +6,8 @@ using System.IdentityModel.Tokens.Jwt;
 using System.Security.Claims;
 using System.Text;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
-
+using DiunaBI.Core.Database.Context;
+
 namespace DiunaBI.WebAPI.Controllers;
 
 [ApiController]
diff --git a/src/Backend/DiunaBI.WebAPI/Controllers/DataInboxController.cs b/src/Backend/DiunaBI.WebAPI/Controllers/DataInboxController.cs
index 10ad60f..27cf379 100644
--- a/src/Backend/DiunaBI.WebAPI/Controllers/DataInboxController.cs
+++ b/src/Backend/DiunaBI.WebAPI/Controllers/DataInboxController.cs
@@ -3,7 +3,7 @@ using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using DiunaBI.Core.Models;
 
 namespace DiunaBI.WebAPI.Controllers;
diff --git a/src/Backend/DiunaBI.WebAPI/Controllers/LayersController.cs b/src/Backend/DiunaBI.WebAPI/Controllers/LayersController.cs
index faed569..b80d80f 100644
--- a/src/Backend/DiunaBI.WebAPI/Controllers/LayersController.cs
+++ b/src/Backend/DiunaBI.WebAPI/Controllers/LayersController.cs
@@ -5,7 +5,7 @@ using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using DiunaBI.Core.Models;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using DiunaBI.Core.Services;
 using Google.Cloud.Firestore;
 
diff --git a/src/Backend/DiunaBI.WebAPI/DiunaBI.WebAPI.csproj b/src/Backend/DiunaBI.WebAPI/DiunaBI.WebAPI.csproj
index 6f45a65..6f4c3de 100644
--- a/src/Backend/DiunaBI.WebAPI/DiunaBI.WebAPI.csproj
+++ b/src/Backend/DiunaBI.WebAPI/DiunaBI.WebAPI.csproj
@@ -21,7 +21,6 @@
 
   <ItemGroup>
     <ProjectReference Include="..\DiunaBI.Core\DiunaBI.Core.csproj" />
-    <ProjectReference Include="..\DiunaBI.Database\DiunaBI.Database.csproj" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Backend/DiunaBI.WebAPI/Program.cs b/src/Backend/DiunaBI.WebAPI/Program.cs
index 43dcced..071e540 100644
--- a/src/Backend/DiunaBI.WebAPI/Program.cs
+++ b/src/Backend/DiunaBI.WebAPI/Program.cs
@@ -6,7 +6,7 @@ using Microsoft.IdentityModel.Tokens;
 using System.IdentityModel.Tokens.Jwt;
 using System.Reflection;
 using System.Text;
-using DiunaBI.Database.Context;
+using DiunaBI.Core.Database.Context;
 using DiunaBI.Core.Services;
 using Google.Apis.Sheets.v4;
 using Serilog;
diff --git a/src/Backend/DiunaBI.sln b/src/Backend/DiunaBI.sln
index 9fdd2df..7756af7 100644
--- a/src/Backend/DiunaBI.sln
+++ b/src/Backend/DiunaBI.sln
@@ -1,4 +1,4 @@
-
+
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.0.31903.59
@@ -9,8 +9,6 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DiunaBI.Core", "DiunaBI.Cor
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DiunaBI.Plugins.Morska", "DiunaBI.Plugins.Morska\DiunaBI.Plugins.Morska.csproj", "{B5416A3F-550A-468D-852F-20B24243FD68}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DiunaBI.Database", "DiunaBI.Database\DiunaBI.Database.csproj", "{8C346BEA-A209-4E8F-A6BF-70B42D9106C8}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU