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add AR deep dive video links to guides

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schneems 2012-11-14 13:26:54 +02:00
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guides/source/active_record_querying.md
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@ -1646,3 +1646,18 @@ following pointers may be helpful:
* MySQL: [EXPLAIN Output Format](http://dev.mysql.com/doc/refman/5.6/en/explain-output.html)
* PostgreSQL: [Using EXPLAIN](http://www.postgresql.org/docs/current/static/using-explain.html)
Active Record Deep Dive Videos
------------------------------
In these series of videos, different Active Record concepts and methods are demonstrated in common and practical scenarios:
* [where](http://www.youtube.com/watch?v=JUTXqWlqGHY&feature=youtu.be)
* [find](http://www.youtube.com/watch?v=RIxolY196b0&feature=youtu.be)
* [order](http://www.youtube.com/watch?v=Rio_ES75xuA&feature=youtu.be)
* [limit](http://www.youtube.com/watch?v=Mwqsg3BEaig&feature=youtu.be)
* [offset](http://www.youtube.com/watch?v=X8TyHMPiE_8&feature=youtu.be)
* [joins](http://www.youtube.com/watch?v=wjEeLjGkBeA&feature=youtu.be)
* [group](http://www.youtube.com/watch?v=s0KTEtVQ_AY&feature=youtu.be)
* [having](http://www.youtube.com/watch?v=DaTbG91yZ30&feature=youtu.be)
* [preventing SQL injection attacks](http://www.youtube.com/watch?v=s4QxOxGL1tI&feature=youtu.be)