Phuong Ma <[EMAIL PROTECTED]> writes:
> WHERE substr("ORDER_NUM", 1, 1) != 'W'; # (Orders NOT prefixed with W.)
> OR...
> WHERE substr("ORDER_NUM", 1, 1) = 'I'; # (Orders prefixed with I.)
> However, the first query runs in about 10-15 seconds, and the second
> query
> ran for over 40 minutes
Good day,
We're running a week-old CVS snapshot of PostgreSQL 7.1, and I'm not
sure
if this performance inconsistency is specific to it, or if this is just
something in PostgreSQL in general, but it seems kind of odd, and I
could
use some help here. ;)
I have run two queries in a table full of i