On Thu, 25 Nov 2004 14:00:32 +0800, JM <[EMAIL PROTECTED]> wrote:
> update SUBSCRIPTIONTABLE set ACTIVEFLAG='Y' where mobile_num in
> (select
> mobile_num from LOADED_MOBILE_NUMBERS)
does loaded_mobile_numbers have a primary key or index on mobile_num?
same for subscriptiontable?
have you analyzed both tables?
is mobile_num the same type in both tables?
how does this query compare?
update SUBSCRIPTIONTABLE set ACTIVEFLAG='Y'
from loaded_mobile_numbers
where subscriptiontable.mobile_num = LOADED_MOBILE_NUMBERS.mobile_num
klint.
+---------------------------------------+-----------------+
: Klint Gore : "Non rhyming :
: EMail : [EMAIL PROTECTED] : slang - the :
: Snail : A.B.R.I. : possibilities :
: Mail University of New England : are useless" :
: Armidale NSW 2351 Australia : L.J.J. :
: Fax : +61 2 6772 5376 : :
+---------------------------------------+-----------------+
---------------------------(end of broadcast)---------------------------
TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
