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Column order in indices (oracle 9.2)

  • From: genegurevich@xxxxxxxxxxxxxxxxxxxxx
  • To: "oracle-l" <oracle-l@xxxxxxxxxxxxx>
  • Date: Tue, 1 Aug 2006 07:44:23 -0500
Hi everybody:

I remember reading that in Oracle 9.2 and higher the order of the columns
in an index does not matter.
That is oracle will be able to quickly search on a column even if it is not
a leading one. I have a table
with a primary key consisting of three columns. When a table is queried
based on the third column,
the data start coming out immediately, but when I use the second column the
query just sits there.
Is that an expected behavior? Did I misunderstood something about the
column order?

thanks for any insight

Gene Gurevich


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  • Re: Column order in indices (oracle 9.2)
  • Re: Column order in indices (oracle 9.2)
  • Re: Column order in indices (oracle 9.2)




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