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So often, you have a task where you need to perform an alteration of a huge table while not wanting to affect the operation of your website.
The new licensing that was announced by Oracle earlier this month caused some FUD in the community that was addressed last week in an updated graphic comparing support and binary options.
If you frequently delete rows (or update rows with variable-length data types), you can end up with a lot of wasted space in your data file(s), similar to filesystem fragmentation.
If you’re using MySQL replication, chances are your master and slave databases aren’t entirely consistent. There are a number of reasons for this. Some MySQL functions like UUID() don’t replicate properly with statement-based replication.