There are many nice changes included in the MySQL 8.0.12 release that were published a couple of days ago. One of the most exciting is the ability to make instant schema changes to tables. This blog will look into why I think that that is a stand-out change.
I will not go into details with the implementation other than noting that the new data dictionary in MySQL 8.0 has allowed for a nice implementation of the patch that was contributed by the Tencent Games DBA Team. If you are interested in learning more about the implementation, I will recommend you to read the blog by Bin Su ( …
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