Problem in altering a column to identity(1,1) in sql

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Hi everyone ,

I am working on a database merging concept in this i am having many of the table column identity (1,1) . Now my problem is while merging the old DB the Id starts from number but not from beginning its then identity seeding by 1 . Now i have create a new table in new DB and copy pasting the record but it starts from 1 , so i drop that table and remover the identity (1,1) from that table then copy paste but after pasting i cant again set the identity by design or by query .
Can anyone suggest me how can i take table data from one DB to another DB without doing changes to data in table.

Thanks in Advance
Arun

Posted 12-May-13 23:10pm

arunrv

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Maciej Los 13-May-13 5:49am

Please, be more specific and provide more details. We can't read in your mind. We need the example data and the structure of tables, and your update/insert query.

gvprabu 13-May-13 6:51am

If u want to set that column as Identity or anything u tries and got error.

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CHill60 · Answer 1 · 2013-05-13T00:54:00

Solution 1

You need to set up the new column with identity(1,1), temporarily disable the auto-generate while you populate it with the data from the old DB, and then going forward it should work ...

Have a look at SET IDENTITY_INSERT[^] to get you started

Posted 13-May-13 0:54am

CHill60

Comments

Maciej Los 13-May-13 6:56am

Probably this is it!
+5

gvprabu 13-May-13 7:08am

yes correct we can make the Identity Column Set ON or OFF. In case of his MERGE Source data have duplicate values then once ON the Identity Property then sure he ll get Error.