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MySql upgrading to 5.5 -- what about queries being compatible?

Daniel Wilson
Last Modified: 2012-06-27
I'm getting my server upgraded from MySQL 5.0 to 5.5.

The guy doing the upgrade said he does not guarantee that my queries are forward-compatible.

What kinds of query-related compatibility problems are typical in an upgrade from 5.0 to 5.5?

Nothing in the list at http://dev.mysql.com/doc/refman/5.5/en/mysql-nutshell.html looks like it will be a problem ... I'm not using a cluster, any partitioning, or any of the "removed features".

Nothing in the list at http://dev.mysql.com/doc/refman/5.5/en/upgrading-from-previous-series.html jumps out at me either.

But ... from real-world experience ... are there some typical problems?

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