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Home -> Community -> Mailing Lists -> Oracle-L -> RE: Why this update is not working , can't I use nvl function in
i think it's not necessary nvl ...
Diana Duncan <Diana_at_fileFRENZY.com> on 26/10/2000 03:21:20 PM
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To: Multiple recipients of list ORACLE-L
<ORACLE-L_at_fatcity.com>
cc: (bcc: Marcos Vera/M&S Consultores/51)
Subject: RE: Why this update is not working , can't I use
nvl function in
Why not put the nvl into the select portion instead of around it?
Instead of
update <table1>
set max_capacity = nvl( (select max (col1) from <table2>
where <table2>.col1 = <table1.col1 and
<table1.col1 in (select col1 from <table3>
where col2 = 33)), 0.0)
where <table1>.col1 between v_min_unique_num and (v_min_unique_num +
v_increment);
Do this
update <table1>
set max_capacity = (select nvl(max (col1),0.0) from <table2>
where <table2>.col1 = <table1.col1 and
<table1.col1 in (select col1 from <table3>
where col2 = 33))
where <table1>.col1 between v_min_unique_num and (v_min_unique_num +
v_increment);
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--
Author: Diana Duncan
INET: Diana_at_fileFRENZY.com
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