Topic: Database Administration >> 2 column indexes
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| Kaiz |
Posted: Mar 22, 2008 10:15:31 AM |
Total Post: 104
Joined: Sep, 2007
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Dear Friends,
If created two index by giving the same name and columns written in bracket (one,Two) what is this and where we are going to use , I had heard about it first time , first of all is it possible to create a index by one name in a single command on two different columns.....
Please some one can explain this concepts..…
Thanks & Regards... |
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 Murtuja |
| Posted: Mar 24, 2008 01:02:01 AM |  |
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Total Post: 816
Joined: Jan, 2006
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this is called composite index.You will get more knwoledge about this from below sites
www.akadia.com/services/ora_index_selectivity.html
http://www.google.co.in/search?hl=en&q=composite+index+oracle&meta=
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