The generated DataAccess.cs file seems to have multiple flaws:
1. usings-block contains usings only for namespaces "System" and "SQLite". "SQLite" does not exist, should be "System.Data.SQLite".
2. SQLiteConnection.CreateTable<T>() does not exist as of System.Data.SQLite 1.0.97.0; produces compile error.
3. The used attributes for the POCO generation seem to be wrong:
a) Instead of [Key], it's using [PrimaryKey].
b) Instead of [Required], it's using [NotNull].
__Steps to reproduce__
1. Create .NET 4.5 C# project.
2. Add NuGet Packages: System.Data.SQLite and System.Data.SQLite EF6.
3. Create or load an SQLite database in the Toolbox window.
4. Right-click DB, choose "Add sqlite-net DataAccess.cs to current Project..."
5. Inspect generated DataAccess.cs.
__Additional Information__
Tested with Visual Studio 2012 using SQL Server Compact/SQLite Toolbox 4.2.0.0.
See the attached screenshot for the generated file using a very simple SQLite database with only one table with 4 columns.