You can have a if ..then...else condition loop. When
first condition is satisfied the first query can run
and in the else part second query can run. No need to
create procedure for simple queries.
-Saumyajit
- Roland.Skoldblom_at_ica.se wrote:
>
>
> I have a database, with some table relationed to
> each other, I would like to have 2 scenarious,
>
> Case 1: I have 4 tables, table1, table 2, table 3
> and table4 included in a join, this query should run
> in the most common query.
> In table 1 and in table 2 exist a relation, id_nr in
> table1 and id_nt in table2, when they match each
> other, then this query should run. So if id_nr in
> table1 also exists in table2, then the query should
> run
> .
> But if it isnt so then case2 should run instead.
>
> Case 2: If the first condition is not valid (which
> means that id_nr in table1 and id_nr doesnt match
> each other) then another query would run, which
> include the same tables also includes another table
> .
>
> How can I handle these case? Should I first create 2
> views of the tables joined inthe queries and then
> one procedure which runs query1 and another
> procedure which runs query 2.
> Please give me a pl/SQL example on how to handle
> this. Also include the matching condition between
> table1 and table 2 in case1.
> Would appreciate if someone could give me some good
> example.
>
>
> Roland Sköldblom
>
>
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>
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Author: Saumyajit Mandal
INET: saumya99_at_yahoo.com
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Received on Wed May 16 2001 - 03:44:51 CDT
