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Upgrade issues in MySQL 5.0

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Margie Semilof, Editorial Director

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"Not working" can mean many things. Here are a few common problems:

• MySQL service will not start.
• The service starts, but no programs can connect. Make sure that the user has permissions to connect to the server.
• Queries that worked in earlier versions no longer work. MySQL implemented a few syntax changes with version 5. Of particular note is the change in JOIN syntax.

See also the upgrade guide.

Dig Deeper

This was first published in September 2006

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