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which function is better YEAR(col) or SUBSTR()(performance)

 
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jajularamesh
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Joined: 14 Apr 2006
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PostPosted: Tue Nov 07, 2006 12:16 am    Post subject: which function is better YEAR(col) or SUBSTR()(performance) Reply with quote
which function is better YEAR(col) or SUBSTR() performance wise.Actually both are functions so performance will go down.i am using these these functions repeatedly so i wanted to make sure which is better of the two functins.
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kolusu
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Joined: 26 Nov 2002
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PostPosted: Tue Nov 07, 2006 7:50 am    Post subject: Reply with quote
jajularamesh,

The YEAR scalar function is much faster than the substr function.

Kolusu
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