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Avinash_B
Starting Member
1 Post |
 Posted - 2012-10-09 : 06:01:59
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| I write two queries1) ...where id is NUll it takes 2.45 minutes 2)....where id='asfvdjs362913bds'it take less than a seconds how this time differ?please help me. I am waiting for your valuable suggestions. I have 160000 record in that table and in that table id doesn't have null value. |
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chadmat
The Chadinator
1974 Posts |
Posted - 2012-10-09 : 14:25:31
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| Look at the query plan for each query.-Chad |
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jackv
Master Smack Fu Yak Hacker
2179 Posts |
Posted - 2012-10-09 : 16:11:19
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| One is probably doing a Scan , the other a seek?Jack Vamvas--------------------http://www.sqlserver-dba.com |
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