Error 8101 An explicit value for the identity column in table can only be specified when a column list is used and IDENTITY_INSERT is ON

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SQL-Server-2012

I am getting the below error even though i am truncating the table before inserting the data.

Error: Error 8101 An explicit value for the identity column in table can only be specified when a column list is used and IDENTITY_INSERT is ON

Below is the script i am using.

TRUNCATE TABLE TableName
INSERT INTO TableName SELECT * FROM TableName

Posted 25-Mar-14 1:41am

Yash Thakkar

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Andrius Leonavicius · Accepted Answer · 2014-03-25T01:47:00

Solution 1

Hi,

Please take a look at this:
SQL SERVER – Fix : Error 8101 An explicit value for the identity column in table can only be specified when a column list is used and IDENTITY_INSERT is ON[^]

Added:
Also, you need to insert your rows using a column list:

SQL

INSERT INTO TableName
(ColumnName(s))
SELECT ColumnName(s)
FROM TableName

Posted 25-Mar-14 1:47am

Andrius Leonavicius

Updated 25-Mar-14 3:00am

v3

Comments

Yash Thakkar 25-Mar-14 7:52am

Thanks Andrius but i already have gone thru this link but didn't get the solution which i am looking for. I am truncating the table first then also i am getting this error.

Andrius Leonavicius 25-Mar-14 8:01am

Truncation deletes all rows and resets the counter for the identity column. But if you want to insert rows containing specific identity values (like your INSERT INTO TableName SELECT * FROM TableName), then you need to use this: SET IDENTITY_INSERT TableName ON. Try this:
TRUNCATE TABLE TableName
SET IDENTITY_INSERT TableName ON
INSERT INTO TableName (Column1, Column2, Column3, ...) SELECT Column1, Column2, Column3, ... FROM TableName
SET IDENTITY_INSERT TableName OFF

Andrius Leonavicius 25-Mar-14 8:08am

The identity_insert requires specifying all the column names in parenthesis!