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Articles / Languages / SQL

The Evil That is Select *

4.33/5 (3 votes)
1 Aug 2011CPOL 14K  
It also limits SQL's ability to find a proper index to use, hence hindering performance. I wasn't aware of this aspect until a SQL consultant made mention of it. Unfortunately we haven't adopted the policy of dropping the *.

It also limits SQL's ability to find a proper index to use, hence hindering performance. I wasn't aware of this aspect until a SQL consultant made mention of it. Unfortunately we haven't adopted the policy of dropping the *.

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