Esta presentación nos muestra las características incluidas en el lenguaje T-SQL en SQL Server 2005 y que no estaban en versiones anteriores

1. Pablo Espada Bueno www.programadorautonomo.net www.esbupa.com

9. DECLARE @InsertDetails TABLE ( ProductID int, InsertedBy sysname ) INSERT INTO Stock.ProductList OUTPUT INSERTED.ProductID, suser_name() INTO @InsertDetails VALUES ('Racing Bike', 412.99) SELECT * FROM @InsertDetails DECLARE @PriceChangeDetails TABLE ( ProductID int, OldPrice money, NewPrice money, UpdatedBy sysname ) UPDATE Stock.ProductList SET Price = 3.99 OUTPUT INSERTED.ProductID, DELETED.Price, INSERTED.Price, suser_name() INTO @PriceChangeDetails WHERE ProductID = 1 SELECT * FROM @PriceChangeDetails DECLARE @DeleteDetails TABLE ( ProductID int, DeletedBy sysname ) DELETE Stock.ProductList OUTPUT DELETED.ProductID, suser_name() INTO @DeleteDetails WHERE ProductID = 2 SELECT * FROM @DeleteDetails

26. CREATE TABLE dbo.DataTable (ColA int PRIMARY KEY, ColB int) CREATE TABLE dbo.ErrorLog (ColA int, ColB int, error int, date datetime) GO CREATE PROCEDURE dbo.AddData @a int, @b int AS SET XACT_ABORT ON BEGIN TRY BEGIN TRAN INSERT INTO dbo.DataTable VALUES (@a, @b) COMMIT TRAN END TRY BEGIN CATCH TRAN_ABORT DECLARE @err int SET @err = @@error --trap the error number ROLLBACK TRAN INSERT INTO dbo.ErrorLog VALUES (@a, @b, @err, GETDATE()) END CATCH GO EXEC dbo.AddData 1, 1 EXEC dbo.AddData 2, 2 EXEC dbo.AddData 1, 3 --violates the primary key