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is unique index helpful in making query fast? [message #177308]

Wed, 14 June 2006 01:51

a_developer
Messages: 194
Registered: January 2006

Senior Member

I have a unique index on 2 columns, example last_name and first_name. Most of the time, I search for records with these 2 columns in my where clause. Do I need to create a separate b-tree index to quicken the query or is the UNIQUE index enough???

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Re: is unique index helpful in making query fast? [message #177315 is a reply to message #177308]

Wed, 14 June 2006 02:35

JSI2001
Messages: 1016
Registered: March 2005
Location: Scotland

Senior Member

The index that you currently have should sufice. However, if you are not convinced, why not do a test?

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