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Tagged with subquery optimization
2
questions
6
votes
2answers
2k views
Is there a way to hint to query optimizer to MySQL which constraints should be done first?
This is my current query:
SELECT BusinessID as ID,
111151.29341326*SQRT(pow(-6.186751-X(LatLong),2)+pow(106.772835-Y(LatLong),2)*0.98838574205337) AS Distance from
(
SELECT *
FROM
...
2
votes
2answers
1k views
Optimize a query with two range conditions
I have a structure similar to this one:
CREATE TABLE `author` (
`id` int(11) unsigned NOT NULL auto_increment,
`name` varchar(255) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB CHARSET=utf8 ...