how to increment integer Columns value by 1 in SQL

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SQL-Server-2005

Hi....

Friends , my query is

how to increment a column's value by 1.

For ex. Suppose a column ID has values 1,2,3,4
Now when I update this table then ID column should increment by 1.

Now ID will become 2,3,4,5..

Thanks.

Posted 15-Feb-12 1:54am

Varinder Raii

Updated 15-Feb-12 2:01am

André Kraak

v2

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Herman<T>.Instance 15-Feb-12 7:56am

have some code to share?
why increment an ID value? ID 1 does not exist anymore and previous ID 2 has now value of 1?

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ZurdoDev · Accepted Answer · 2012-02-15T02:05:00

Solution 1

Make the column and identity column. Then you don't have to do any work.

Posted 15-Feb-12 2:05am

ZurdoDev

Comments

Varinder Raii 15-Feb-12 8:15am

i want this in UPDATE QUERY

ZurdoDev 15-Feb-12 8:20am

Then do UPDATE table SET column = (SELECT MAX(column) + 1 FROM table) WHERE x=y but you'll want to do transactions and proper locking so you get the right value if 2 people run it at the same time.