У мене була така ж вимога, і ви можете спробувати цей спосіб, який я особисто вам рекомендую. Будь ласка, вручну спроектуйте свою таблицю та генеруйте сценарій, і те, що я зробив нижче, було перейменування старої таблиці, а також її обмеження для резервного копіювання.
/* To prevent any potential data loss issues, you should review this script in detail before running it outside the context of the database designer.*/
BEGIN TRANSACTION
SET QUOTED_IDENTIFIER ON
SET ARITHABORT ON
SET NUMERIC_ROUNDABORT OFF
SET CONCAT_NULL_YIELDS_NULL ON
SET ANSI_NULLS ON
SET ANSI_PADDING ON
SET ANSI_WARNINGS ON
COMMIT
BEGIN TRANSACTION
GO
ALTER TABLE dbo.SI_Provider_Profile
DROP CONSTRAINT DF_SI_Provider_Profile_SIdtDateTimeStamp
GO
ALTER TABLE dbo.SI_Provider_Profile
DROP CONSTRAINT DF_SI_Provider_Profile_SIbHotelPreLoaded
GO
CREATE TABLE dbo.Tmp_SI_Provider_Profile
(
SI_lProvider_Profile_ID int NOT NULL,
SI_lSerko_Integrator_Token_ID int NOT NULL,
SI_sSerko_Integrator_Provider varchar(50) NOT NULL,
SI_sSerko_Integrator_Profile varchar(50) NOT NULL,
SI_dtDate_Time_Stamp datetime NOT NULL,
SI_lProvider_ID int NULL,
SI_sDisplay_Name varchar(10) NULL,
SI_lPurchased_From int NULL,
SI_sProvider_UniqueID varchar(255) NULL,
SI_bHotel_Pre_Loaded bit NOT NULL,
SI_sSiteName varchar(255) NULL
) ON [PRIMARY]
GO
ALTER TABLE dbo.Tmp_SI_Provider_Profile SET (LOCK_ESCALATION = TABLE)
GO
ALTER TABLE dbo.Tmp_SI_Provider_Profile ADD CONSTRAINT
DF_SI_Provider_Profile_SIdtDateTimeStamp DEFAULT (getdate()) FOR SI_dtDate_Time_Stamp
GO
ALTER TABLE dbo.Tmp_SI_Provider_Profile ADD CONSTRAINT
DF_SI_Provider_Profile_SIbHotelPreLoaded DEFAULT ((0)) FOR SI_bHotel_Pre_Loaded
GO
IF EXISTS(SELECT * FROM dbo.SI_Provider_Profile)
EXEC('INSERT INTO dbo.Tmp_SI_Provider_Profile (SI_lProvider_Profile_ID, SI_lSerko_Integrator_Token_ID, SI_sSerko_Integrator_Provider, SI_sSerko_Integrator_Profile, SI_dtDate_Time_Stamp, SI_lProvider_ID, SI_sDisplay_Name, SI_lPurchased_From, SI_sProvider_UniqueID, SI_bHotel_Pre_Loaded, SI_sSiteName)
SELECT SI_lProvider_Profile_ID, SI_lSerko_Integrator_Token_ID, SI_sSerko_Integrator_Provider, SI_sSerko_Integrator_Profile, SI_dtDate_Time_Stamp, SI_lProvider_ID, SI_sDisplay_Name, SI_lPurchased_From, SI_sProvider_UniqueID, SI_bHotel_Pre_Loaded, SI_sSiteName FROM dbo.SI_Provider_Profile WITH (HOLDLOCK TABLOCKX)')
GO
-- Rename the primary key constraint or unique key In SQL Server constraints such as primary keys or foreign keys are objects in their own right, even though they are dependent upon the "containing" table.
EXEC sp_rename 'dbo.SI_Provider_Profile.PK_SI_Provider_Profile', 'PK_SI_Provider_Profile_Old';
GO
-- backup old table in case of
EXECUTE sp_rename N'dbo.SI_Provider_Profile', N'SI_Provider_Profile_Old', 'OBJECT'
GO
EXECUTE sp_rename N'dbo.Tmp_SI_Provider_Profile', N'SI_Provider_Profile', 'OBJECT'
GO
ALTER TABLE dbo.SI_Provider_Profile ADD CONSTRAINT
PK_SI_Provider_Profile PRIMARY KEY NONCLUSTERED
(
SI_lProvider_Profile_ID
) WITH( PAD_INDEX = OFF, FILLFACTOR = 90, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
GO
COMMIT TRANSACTION