diff --git a/Architecture/Synergy.Architecture.Tests/Architecture/Debt/Todos.Technical.Debt.verified.md b/Architecture/Synergy.Architecture.Tests/Architecture/Debt/Todos.Technical.Debt.verified.md
index 9b858b5..d428c36 100644
--- a/Architecture/Synergy.Architecture.Tests/Architecture/Debt/Todos.Technical.Debt.verified.md
+++ b/Architecture/Synergy.Architecture.Tests/Architecture/Debt/Todos.Technical.Debt.verified.md
@@ -1,6 +1,6 @@
 # Technical Debt for Synergy.Contracts
 
-Total: 9
+Total: 8
 
 ## [SequenceDiagramDeactivationAttribute.cs](../../../Synergy.Architecture.Annotations/Diagrams/Sequence/SequenceDiagramDeactivationAttribute.cs)
 - TODO: Marcin Celej [from: Marcin Celej on: 21-05-2023]: Use this attribute in some sample
diff --git a/Architecture/Synergy.Architecture.Tests/Samples/SequenceDiagramSamples.cs b/Architecture/Synergy.Architecture.Tests/Samples/SequenceDiagramSamples.cs
index 277a8ce..8f250cc 100644
--- a/Architecture/Synergy.Architecture.Tests/Samples/SequenceDiagramSamples.cs
+++ b/Architecture/Synergy.Architecture.Tests/Samples/SequenceDiagramSamples.cs
@@ -2,6 +2,7 @@
 using Synergy.Architecture.Diagrams.Documentation;
 using Synergy.Architecture.Diagrams.Sequence;
 using Synergy.Documentation.Code;
+using static Synergy.Architecture.Annotations.Diagrams.Sequence.SequenceDiagramGroupType;
 
 namespace Synergy.Architecture.Tests.Samples;
 
@@ -15,14 +16,15 @@ public async Task Sequence()
     {
         var blueprint = TechnicalBlueprint
                         .Titled("Sequence diagrams samples")
-                        .Add(SequenceDiagramSamples.IfElseDiagrams())
-                        .Add(LoopAfterLoopDiagram())
+                        .Add(this.IfElseDiagrams())
+                        .Add(this.LoopAfterLoopDiagram())
+                        .Add(this.DatabaseDiagrams())
             ;
 
         await File.WriteAllTextAsync(SequenceDiagrams.FilePath, blueprint.Render());
     }
 
-    private static IEnumerable<SequenceDiagram> IfElseDiagrams()
+    private IEnumerable<SequenceDiagram> IfElseDiagrams()
     {
         yield return SequenceDiagram
                      .From(new SequenceDiagramActor("Some actor", Note: "very hand some"))
@@ -36,9 +38,9 @@ private static IEnumerable<SequenceDiagram> IfElseDiagrams()
     [SequenceDiagramExternalCall("Firefox", "https://www.google.com", Group = SequenceDiagramGroupType.Else, GroupHeader = "otherwise")]
     private void IfElse()
     {
-    }
+    }    
     
-    private static IEnumerable<SequenceDiagram> LoopAfterLoopDiagram()
+    private IEnumerable<SequenceDiagram> LoopAfterLoopDiagram()
     {
         yield return SequenceDiagram
                      .From(new SequenceDiagramActor("Some actor", Note: "very hand some"))
@@ -47,12 +49,26 @@ private static IEnumerable<SequenceDiagram> LoopAfterLoopDiagram()
                      );
     }
 
-    [SequenceDiagramExternalCall("Chrome", "https://www.google.com", Group = SequenceDiagramGroupType.Loop, GroupHeader = "Looping until something happens")]
-    [SequenceDiagramExternalCall("Firefox", "https://www.foogle.com", Group = SequenceDiagramGroupType.Loop, GroupHeader = "Looping until something happens")]
-    [SequenceDiagramExternalCall("Firefox", "https://www.google.com", Group = SequenceDiagramGroupType.Loop, GroupHeader = "This should be different loop")]
+    [SequenceDiagramExternalCall("Chrome", "https://www.google.com", Group = Loop, GroupHeader = "Looping until something happens")]
+    [SequenceDiagramExternalCall("Firefox", "https://www.foogle.com", Group =Loop, GroupHeader = "Looping until something happens")]
+    [SequenceDiagramExternalCall("Firefox", "https://www.google.com", Group =Loop, GroupHeader = "This should be different loop")]
     private void LoopAfterLoop()
     {
     }
     
-    
+    private IEnumerable<SequenceDiagram> DatabaseDiagrams()
+    {
+        yield return SequenceDiagram
+                     .From(new SequenceDiagramActor("Some actor", Note: "very hand some"))
+                     .Calling<SequenceDiagramSamples>(c => c.Database())
+                     .Footer("This diagram shows standard database operations."
+                     );
+    }
+
+    [SequenceDiagramDatabaseCall($"SELECT * FROM [Item] WHERE [Id] = @itemId")]
+    [SequenceDiagramDatabaseCall($"INSERT INTO [Item] VALUES ...", Group = Alt, GroupHeader = "if item does not exist yet")]
+    [SequenceDiagramDatabaseCall($"Item [Table] SET ... WHERE [Id] = @itemId", Group = Else, GroupHeader = "else")]
+    private void Database()
+    {
+    }
 }
\ No newline at end of file
diff --git a/Architecture/Synergy.Architecture.Tests/Samples/SequenceDiagramSamples.md b/Architecture/Synergy.Architecture.Tests/Samples/SequenceDiagramSamples.md
index 639cd22..548693c 100644
--- a/Architecture/Synergy.Architecture.Tests/Samples/SequenceDiagramSamples.md
+++ b/Architecture/Synergy.Architecture.Tests/Samples/SequenceDiagramSamples.md
@@ -73,3 +73,38 @@ Some_actor<--SequenceDiagramSamples
 This diagram shows loop placed after another loop.
 
 
+##  SequenceDiagramSamples.Database()
+
+**Root type:** `SequenceDiagramSamples` (from: `Synergy.Architecture.Tests`)
+
+**Root method:**
+```
+    Database() : void
+```
+
+![Sequence Diagram for SequenceDiagramSamples.Database()](http://www.plantuml.com/plantuml/png/Z59DJm8n5Bnlil_XXPEQBDw94b3MI0AIiAiU234F-e36tUtQzn3zRHxyIVu5t_8L3f1mQJlDp7IcxT_FRui5lIppB0putHObUip14vUkOEeJCyxfZZAtQdllLY1-IM4mSqx8Gxgm3CRYlDBmmgqOrAqmw0qO59mW4xYIF8fLkteOY9LCzGbzBAcOKcUZJJ0lC-9wPwkvk0m3AioMZ5Dn7XANqzjcYGor2i8QriBW6WhD0-wJ3daDKFmD2mq4hBjXeEN4Jcs9XS3n266mpxqBesdtbb7pkAm1Xz6FSwBcZjE09Ex5zobSmSDmq8THLoWVm-jZF8mLc37SGilgNjTe-qp0pg22O1nnLHNeoxB0DyavXtMVadYOwfGETaUzj7lFSGBrkZu9PLgs6ixogcACKfnaDDOMQMLn8hW-uE7LtKJHgIjlANNz0Vy1003__mC0)
+<!--
+@startuml
+skinparam responseMessageBelowArrow true
+footer This diagram shows standard database operations.
+title
+SequenceDiagramSamples.Database()
+endtitle
+actor Some_actor as "Some actor"
+/ note over Some_actor: very hand some
+participant SequenceDiagramSamples
+database Database
+Some_actor->SequenceDiagramSamples: Database()
+SequenceDiagramSamples->Database: SELECT * FROM [Item] WHERE [Id] = @itemId
+alt if item does not exist yet
+SequenceDiagramSamples->Database: INSERT INTO [Item] VALUES ...
+else else
+SequenceDiagramSamples->Database: Item [Table] SET ... WHERE [Id] = @itemId
+end
+Some_actor<--SequenceDiagramSamples
+@enduml
+-->
+
+This diagram shows standard database operations.
+
+