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sql server 2008 - Tips on Creating More Efficient Queries

Hi experts, i am reading about Tips on Creating More Efficient Queries

Expressions that use column names in search arguments – WHERE (Price + $10) > $20

how I can replace this: WHERE (Price + $10) > $20
1 Solution
Guy Hengel [angelIII / a3]Billing EngineerCommented:
> WHERE (Price + $10) > $20
take you math course..
X + 10 > 20  can also be written as X > 20 - 10

this way, X stands alone, and the "math" of 20-10 will be done once (is a constant), instead of having to do the math X + 10 for each row, and compare that to a constant

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