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AnushaSL
Starting Member
1 Post |
 Posted - 2010-09-06 : 14:17:06
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| This query runs slower than expected (compared to other similar queries on the same database and tables)Eg. Select table1.x, table2.y from table1 join table2 on table1.a = table2.bWhat are some likely cause of the problem. |
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SwePeso
Patron Saint of Lost Yaks
30421 Posts |
Posted - 2010-09-06 : 16:01:53
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The answer for your homework is1) Lack of proper index2) Old statistics3) Lack of proper filtering aka returning too many records that are depending on network speed.
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This query runs slower than expected