BEGIN TRANSACTION CREATE TABLE dbo.Tmp_estate_managers ( EstateID int NOT NULL, uuid uniqueidentifier NOT NULL ) ON [PRIMARY] IF EXISTS(SELECT * FROM dbo.estate_managers) EXEC('INSERT INTO dbo.Tmp_estate_managers (EstateID, uuid) SELECT EstateID, CONVERT(uniqueidentifier, uuid) FROM dbo.estate_managers WITH (HOLDLOCK TABLOCKX)') DROP TABLE dbo.estate_managers EXECUTE sp_rename N'dbo.Tmp_estate_managers', N'estate_managers', 'OBJECT' CREATE NONCLUSTERED INDEX IX_estate_managers ON dbo.estate_managers ( EstateID ) WITH( STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] COMMIT