Vi kommer att följa stegen nedan.
- Lägg till en ny kolumn med TestID i befintlig tabell
- Uppdatera posterna från Id ( Identity Enable Column) till TestID (Newly Added) Column.
- Släpp id (Identity Enable Column) från tabellen
- Byt namn på den nyligen tillagda kolumnen (TestID) till ID.
--Create Table with Identity Property CREATE TABLE dbo.Employee ( Id INT IDENTITY(1,1), Name VARCHAR(10)) GO
--Insert the record after creating Table with Identity Property on Id Column INSERT INTO dbo.Employee VALUES('Shahzad') GO
--Run to See the Data SELECT * FROM dbo.Employee
--Find out all the columns for all the tables on which Identity Property is enabled SELECT OBJECT_NAME(OBJECT_ID) AS TableName,name AS ColumnName FROM sys.columns
WHERE is_identity=1
/** Drop Identity ********/
--Add a new column with any name ALTER TABLE dbo.Employee
ADD TestId INT
--Update the Records in newly Added column , in our case TestID UPDATE dbo.Employee
SET TestId=Id
--Drop Identity Column ALTER TABLE dbo.Employee
DROP COLUMN Id
--Rename the newly Added Column to Identity Column you had at first. EXEC sp_rename 'dbo.Employee.TestId','Id','COLUMN' Videodemo :Hur man släpper identitetsegenskapen för en kolumn i SQL Server-tabellen