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Thread: composite indexes

  1. #1
    Join Date
    Jan 2001


    Does composite indexes require more space during index creation than a single column index? If yes how?

    Something is "bugging" me out.
    When I tried to create a composite index on three columns I ran out of space. But if I use the same storage parameter to create a single column index, I do not run out sf space.

  2. #2
    Join Date
    Apr 2001
    Yes, a composite index will take up more space, becuase of more data. Now, does it grow expoentially? I do not know.
    Applications come and go,
    but the data remains!

  3. #3
    Join Date
    Oct 2001
    Toronto, Canada
    Hello! Composite index would have to have more than one column and will require space for all teh columns plus a bit of overhead vs single column index which needs storage for one column and some overhead.


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