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Re: Slow Query, Optimization Advice Needed
Posted by: Øystein Grøvlen
Date: April 27, 2016 01:02AM

Hi,

Which version of MySQL?

Can you show the output of EXPLAIN for this query? That will tell us what the current query plan is.

You seemed to be well covered with indexes, but a combined index on tblMovements(nTrailerID, tsMovement) might speed up the execution of the
subquery.

Øystein Grøvlen,
Senior Principal Software Engineer,
MySQL Group, Oracle,
Trondheim, Norway

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Slow Query, Optimization Advice Needed
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Michael Lawson
April 26, 2016 09:30AM
Re: Slow Query, Optimization Advice Needed
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Øystein Grøvlen
April 27, 2016 01:02AM
Re: Slow Query, Optimization Advice Needed
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Michael Lawson
April 27, 2016 07:20PM
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Peter Brawley
April 27, 2016 11:28PM
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Øystein Grøvlen
April 28, 2016 01:25AM
Re: Slow Query, Optimization Advice Needed
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Rick James
May 01, 2016 11:47PM
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Øystein Grøvlen
May 02, 2016 01:28AM
Re: Slow Query, Optimization Advice Needed
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Øystein Grøvlen
April 28, 2016 01:12AM


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