How can i reduce the execution time of query in mysql

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Hi all,

SQL

select sku,itemTitle,vendorID,UPC from portal_orders where purchaseDate<='2012-11-13' and sku not in (select sku from portal_orders where purchaseDate<='2012-12-13' and purchaseDate>='2012-11-13'  group by sku)and vendorID=$where2 limit 5

How can i simplify this query.. this query takes more time to execute

Posted 16-Dec-12 18:04pm

kirthikaganesamurthy

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Krunal Rohit · Answer 1 · 2012-12-16T18:22:00

Solution 1

Could be useful for you :
http://www.databasejournal.com/features/mysql/article.php/1382791/Optimizing-MySQL-Queries-and-Indexes.htm[^]

Posted 16-Dec-12 18:22pm

Krunal Rohit