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John Sourcer
Yak Posting Veteran
91 Posts |
 Posted - 2008-12-07 : 15:24:01
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| If I have a table with say 20 columns, mostly nvarchar(n). The first column is a unique id column set as the primary key. The 5th column is say product name nvarchar(240). The table contains 1 million rows and growing. The product name can be repeated but the id remains unique.Anyone know how much slower finding a product by product name will be as opposed to getting it by it's id? |
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tkizer
Almighty SQL Goddess
38200 Posts |
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Question on performance