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Re: Left join vs Inner join
Posted by: Vikas Sood ()
Date: May 10, 2016 10:40AM

Thank you so much for your reply. Yes, we are on MySQL version 5.5.46. So when we upgrade to 5.6, does the derived table access change from full table scan to index scan? Since it is a derived table and an index can't be defined on a derived table, how does MySQL use an Index join?

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Subject Views Written By Posted
Left join vs Inner join 737 Vikas Sood 05/09/2016 06:10PM
Re: Left join vs Inner join 382 Øystein Grøvlen 05/10/2016 08:04AM
Re: Left join vs Inner join 341 Vikas Sood 05/10/2016 10:40AM
Re: Left join vs Inner join 338 Rick James 05/10/2016 07:23PM


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