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Tip of the Day
Language: SQL Server
Expertise: Beginner
Apr 20, 1997



Application Security Testing: An Integral Part of DevOps

Creating Auto-Incrementing Columns

How can I make a column that will automatically increment by one each time a new row is inserted into the table?

The solution will depend upon the database server you are using. Many databases have implemented specialized functions that will automatically increment a column, or otherwise automatically create a unique column (usually based on a timestamp or similar). Check your documentation's index for COUNTER(), "auto increment", or similar topics -- or scan a reference of all the available functions to determine if one will serve your purpose.

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