How to add auto increment column in already exists table with some data?

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How to add auto increment column in already exists table with some data?
Question Posted on 31 May 2026Home >> DataBase >> SQL Query >> How to add auto increment column in already exists table with some data?

How to add auto increment column in already exists table with some data?
To add auto increment column to already exists table with some data below is the syntax or query:-

ALTER TABLE dbo.TableName
ADD ID INT IDENTITY

	0
	0


	.

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