Oracle-L: Re: var source_data varchar2(12)

From: <Jared.Still_at_radisys.com>
Date: Tue, 11 Nov 2003 15:44:25 -0800
Message-ID: <F001.005D6582.20031111154425@fatcity.com>

The 'var' variable can be used as a bind variable in pl/sql.

Variables referenced with & or && are substution variables.

The code in your example looks incomplete to me, or the programmer just didn't bother to complete it, as Mladen has already suggested.

Here's a ( rather useless) example of using both substitution and bind variables in sqlplus.

var cmd_line_arg varchar2(10)

begin

select '&&1' into :cmd_line_arg from dual; end;
/

print cmd_line_arg

HTH, Jared

Maryann Atkinson <maryann_30_at_yahoo.com>
Sent by: ml-errors_at_fatcity.com
11/11/2003 01:44 PM
Please respond to ORACLE-L

        To:     Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
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        Subject:        var source_data  varchar2(12)

My original posting had a few lines truncated, so here I go again:

I'm looking at a PL/SQL script that goes like this

Header var Source_Data VARCHAR2(12)

DECLARE
Num1 NUMBER;

BEGIN
Source_Data := '&1';

What's the purpose of having a VAR statement in front or Before of the Declare section? Is it used for bind-variables, is that what it is?

thx
maa

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Author: Maryann Atkinson
INET: maryann_30_at_yahoo.com

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