IF (NOT EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'ciavend')) BEGIN CREATE TABLE [dbo].[ciavend] ( [idciavend] [bigint] IDENTITY(1,1) NOT NULL PRIMARY KEY, [idciaseg] [bigint] NOT NULL, [idramo] [bigint] NOT NULL, [idvendedor] [bigint] NOT NULL); END