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PHP קוד:
EXPLAIN SELECT * FROM (SELECT * FROM `rishum` WHERE `status`!='not_relevant' AND `city`='2' AND `rishum_to`='1' AND `aougust_form`='0' AND `date`>='2014/04/22' AND `date`<='2015/04/21') as c GROUP BY `talmid_id`
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HTML קוד:
SQL result
Host: localhost
Database: shai_mask
Generation Time: Aug 01, 2014 at 07:52 AM
Generated by: phpMyAdmin 3.5.8.2 / MySQL 5.5.31
SQL query: EXPLAIN SELECT * FROM (SELECT * FROM `rishum` WHERE `status`!='not_relevant' AND `city`='2' AND `rishum_to`='1' AND `aougust_form`='0' AND `date`>='2014/04/22' AND `date`<='2015/04/21') as c GROUP BY `talmid_id`;
Rows: 2
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2535 Using temporary; Using filesort
2 DERIVED rishum ALL NULL NULL NULL NULL 11479 Using where
01-08-14, 09:53
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