public MyRelationalDatabase(IQueryCompilationContextFactory queryCompilationContextFactory,
     ICommandBatchPreparer batchPreparer,
     IBatchExecutor batchExecutor,
     IRelationalConnection connection)
     : base(queryCompilationContextFactory,
         batchPreparer,
         batchExecutor,
         connection)
 {
 }
 public MyDatabase(IQueryCompilationContextFactory queryCompilationContextFactory)
     : base(queryCompilationContextFactory)
 {
 }