October 2017
Beginner to intermediate
316 pages
8h
English
You certainly know the proverb better to be safe than sorry and Murphy's law, don't you?
The advice is simple: back up your data! (See the Appendix, Tips and Tricks, for the ways to backup your server).
Before doing structural changes, you should play it safe. It is valid for all databases. Also, a backup procedure is in Schroedinger's state until validated.
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