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  1. I have a problem with a query which takes far too long (Over two seconds just for this simple query). On first look it appears to be an indexing issue, all joined ...
    stackoverflow.com/questions/15272838/​mysql-grouped... - Cached
  2. If you execute this query: select * from TblA left join ... Sometimes reversing the order that you join the tables ... SQL Server multiple INNER JOINs very slow. 0.
    stackoverflow.com/questions/47104 - Cached
  3. The table read order forced by LEFT JOIN or STRAIGHT_JOIN ... you do a query of the following type, MySQL does a ... query worked very slow when \"the ...
    dev.mysql.com/doc/refman/5.0/en/left-​join-optimization.html - Cached
  4. MySQL Forums:: InnoDB:: A very slow query on ... a left join AND a group by ... order_id AND rmm_sales_order.sales_order_id IN(\'4984\') LEFT JOIN rmm_sales ...
    forums.mysql.com/†‹read.php?22,584141,587139 - Cached
  5. It is very slow when adding group and order to it. ... LEFT JOIN attachments AS ... Slow query with straight_join for small result; Slow MySQL query with Order ...
    www.dbaqa.co.uk/q/...slow-complex-query-​with-group-order... - Cached
  6. MySQL Forums:: InnoDB:: A very slow query on ... order_id AND rmm_sales_order.sales_order_id IN(\'4984\') LEFT JOIN rmm_customers ... Group by sales order row id ...
    forums.mysql.com/​read.php?22,584141,587291 - Cached
  7. ... experience slow performance of a specific query or group of queries in ... very efficient method for ... join order with a join hint. See the \"FROM (T ...
    support.microsoft.com/kb/243589 - Cached
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  8. ... ORDER by 7 desc; ==== When above query is ... Since we are migrating from oracle to mysql, this is a very big ... LEFT JOIN on derived tables was very slow.
    bugs.mysql.com/bug.php?id=34364 - Cached
  9. mysql> SELECT * FROM t1 LEFT JOIN t2 ... with the results of an INNER JOIN within one query. ... cid=pcid left join subscription on cid=scid group by cid order by ...
    dev.mysql.com/doc/refman/5.0/en/​join.htm - Cached
  10. LEFT JOIN activity_t ON Buy ... GROUP BY cl_t.Client_ID ORDER BY $order The problem is the call to ... What do you find is the optimal setting for mysql slow query ...
    mysql.bigresource.com/Slow-Query-​LNrO3ShZ.html - Cached