Re: SQL-question
From: Gary Assa <gsa_at_li.net>
Date: 1996/09/18
Message-ID: <51oseb$ijm_at_linet01.li.net>#1/1
Date: 1996/09/18
Message-ID: <51oseb$ijm_at_linet01.li.net>#1/1
>Can anybody help me? My task is the following -
>I need to select all reference numbers from table QUOTE
>which are not present in table XREF.
>I need the most effective variant.
>
None of your choices is the best variant. The following is:
select REFNUM from QUOTE
MINUS
select REFNUM from XREF;
Definitely the fastest...
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