Insert Values into Identity Column in SQL Server

To insert value in identity column I will explain with one example for that first create one sample table like as shown below


CREATE TABLE UserDtls
 (
 UserId int PRIMARY KEY IDENTITY,
 UserName varchar(120),
 Qualification varchar(50)
 )

Once we create UserDtls insert data like as shown below


INSERT INTO UserDtls(UserId,UserName,Qualification) VALUES(1,'Brijesh','B.Tech')

Whenever we run above query we will get error message like as shown below


Msg 544, Level 16, State 1, Line 1
Cannot insert explicit value for identity column in table 'UserDtls' when IDENTITY_INSERT is set to OFF.

Based on above error message we can realize that identity columns won't allow to insert new values when IDENTITY_INSERT is OFF .To solve this problem we need to set is ON for that we need to write the code like as shown below


SET IDENTITY_INSERT UserDtls ON
INSERT INTO UserDtls(UserId,UserName,Qualification) VALUES(1,'Brijesh','B.Tech')
INSERT INTO UserDtls(UserId,UserName,Qualification) VALUES(2,'Rohini','MSC')
SET IDENTITY_INSERT UserDtls OFF

Once we run above query our Output will be like this

---------------------------------------
(1 row(s) affected)

(1 row(s) affected)

In this way we can insert values to identity columns in SQL Server.
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