RE: Stupid Bind Variable question

From: Craig Munday <Craig.Munday_at_ecard.com.au>
Date: Sun, 22 Sep 2002 21:53:20 -0800
Message-ID: <F001.004D62F3.20020922215320@fatcity.com>

Hi,

I suggest the following:

- If a literal is always going to be the same value than it is marginal whether you use a bind variable for this.

- I'm not sure why you are using the to_char to_date functions?  You should be able to create a bind variable of type date - hence you shouldn't need to worry about the format.

Cheers,
Craig.

-----Original Message-----
From: Alan Davey [mailto:adavey@competitrack.com]
Sent: Saturday, 21 September 2002 1:29 AM
To: Multiple recipients of list ORACLE-L
Subject: Stupid Bind Variable question

In any given SQL statement, do I need (or should I :^) ) create a bind variable for every literal value even if it is one of the following cases:

1)  substring in a substr function
2)  date/time format mask used in to_char or to_date function
3)  comparison value in a decode/case statement (not in the where clause)

I've seen it mentioned to use bind variables when comparing a column to a literal in the where clause, but nothing specific about the above scenarios.  Basically what I am asking is, do all literals need to be made bind variables?

Thanks.
--

Alan Davey
adavey@competitrack.com

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Author: Alan Davey
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Received on Mon Sep 23 2002 - 00:53:20 CDT