CREATE TABLE [dbo].[sysdiagrams] ( [name] sysname NOT NULL, [principal_id] int NOT NULL, [diagram_id] int NOT NULL IDENTITY(1,1), [version] int NULL, [definition] varbinary NULL ) ALTER TABLE [dbo].[sysdiagrams] ADD CONSTRAINT [PK__sysdiagrams__4EA8A765] PRIMARY KEY CLUSTERED ([diagram_id]) GO