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Keys and Auto-Incrementing - missing id 2?
!(http://imgur.com/KTqnUiW "This screenshot") from about 6:03 on the video shows the list of auto-incremented id numbers from the genres table. However, there is no 2 - it goes 1,3,4. Curious to know if this is a result of the failed attempt to add another 'sci fi', and whether mySQL assigns this failed attempt an auto-incremented id number anyway?
It could also be from deleting a record before showing it on the video.