Yann Michel [EMAIL PROTECTED] writes:
On Wed, Dec 22, 2004 at 01:52:40PM -0800, Litao Wu wrote:
Does the order of columns in the index matter since
more than 50% customer_id = 158?
I think it does not in Oracle.
Will the performance be better if I change index
xxx_idx to (domain,
On Sun, Dec 26, 2004 at 13:30:15 +0100,
Karl Vogel [EMAIL PROTECTED] wrote:
This depends on the version of Oracle you're using. Oracle 9i
introduced Index Skip Scans:
http://www.oracle.com/technology//products/oracle9i/daily/apr22.html
I don't know whether pg has something similar?
Hi,
On Wed, Dec 22, 2004 at 01:52:40PM -0800, Litao Wu wrote:
Does the order of columns in the index matter since
more than 50% customer_id = 158?
I think it does not in Oracle.
Will the performance be better if I change index
xxx_idx to (domain, customer_id, created)?
Well, in Oracle
