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Video of Learning MySQL - TRIGGERS in MySQL SQL course by Steve Griffith - Prof3ssorSt3v3 channel, video No. 38 free certified online
This episode explores how you can create and use TRIGGERS with your MySQL tables as data protection for your tables.
A good purpose for one would be to add a last_updated timestamp field.
MySQL Course Playlist:
SQL file Code GIST: https://gist.github.com/prof3ssorSt3v3/5c8ad4bbd6d9297139d504502f6c1b2d
MySQL Trigger reference: https://dev.mysql.com/doc/refman/5.7/en/create-trigger.html