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Asked: 2026-05-20T03:30:25+00:00

How do I add auto_increment to an existing column of a MySQL table?

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How do I add auto_increment to an existing column of a MySQL table?

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  1. Editorial Team

    I think you want to MODIFY the column as described for the ALTER TABLE command. It might be something like this:

    ALTER TABLE users MODIFY id INTEGER NOT NULL AUTO_INCREMENT;

    Before running above ensure that id column has a Primary index.

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