MySQL 5.7.5: GROUP BY respects functional dependencies!

(Roland Bouman) Today, Oracle announced the availability of the Development Milestone Release 15 of MySQL 5.7.5. The tagline for this release promises “Enhanced Database Performance and Manageability”. That may sound rather generic, the actual list of changes and improvements is simply *huge*, and i

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MySQL 5.7.5: GROUP BY respects functional dependencies!

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