diff --git a/EntityFrameworkCore.Data/Class1.cs b/EntityFrameworkCore.Data/Class1.cs
new file mode 100644
index 0000000..893d501
--- /dev/null
+++ b/EntityFrameworkCore.Data/Class1.cs
@@ -0,0 +1,6 @@
+namespace EntityFrameworkCore.Data;
+
+public class Class1
+{
+
+}
diff --git a/EntityFrameworkCore.Data/EntityFrameworkCore.Data.csproj b/EntityFrameworkCore.Data/EntityFrameworkCore.Data.csproj
new file mode 100644
index 0000000..125f4c9
--- /dev/null
+++ b/EntityFrameworkCore.Data/EntityFrameworkCore.Data.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/EntityFrameworkCore.Domain/Class1.cs b/EntityFrameworkCore.Domain/Class1.cs
new file mode 100644
index 0000000..8c55f06
--- /dev/null
+++ b/EntityFrameworkCore.Domain/Class1.cs
@@ -0,0 +1,6 @@
+namespace EntityFrameworkCore.Domain;
+
+public class Class1
+{
+
+}
diff --git a/EntityFrameworkCore.Domain/EntityFrameworkCore.Domain.csproj b/EntityFrameworkCore.Domain/EntityFrameworkCore.Domain.csproj
new file mode 100644
index 0000000..125f4c9
--- /dev/null
+++ b/EntityFrameworkCore.Domain/EntityFrameworkCore.Domain.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/ef-1.sln b/ef-1.sln
index f3810f0..56b7659 100644
--- a/ef-1.sln
+++ b/ef-1.sln
@@ -1,9 +1,13 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.5.2.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "entity-framework", "entity-framework.csproj", "{F651371C-C6DF-B407-B9D0-5E6C224D4CD2}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EntityFrameworkCore.Data", "EntityFrameworkCore.Data\EntityFrameworkCore.Data.csproj", "{EB2B89D9-FE82-47CC-877F-223A4CA1755E}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EntityFrameworkCore.Domain", "EntityFrameworkCore.Domain\EntityFrameworkCore.Domain.csproj", "{DC955178-72C3-4574-86DE-1D966E38780E}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -14,6 +18,14 @@ Global
 		{F651371C-C6DF-B407-B9D0-5E6C224D4CD2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{F651371C-C6DF-B407-B9D0-5E6C224D4CD2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{F651371C-C6DF-B407-B9D0-5E6C224D4CD2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EB2B89D9-FE82-47CC-877F-223A4CA1755E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EB2B89D9-FE82-47CC-877F-223A4CA1755E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EB2B89D9-FE82-47CC-877F-223A4CA1755E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EB2B89D9-FE82-47CC-877F-223A4CA1755E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DC955178-72C3-4574-86DE-1D966E38780E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DC955178-72C3-4574-86DE-1D966E38780E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DC955178-72C3-4574-86DE-1D966E38780E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DC955178-72C3-4574-86DE-1D966E38780E}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE