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Help with sql script that creates a table if it doesn't exist

2 New Member
Hi,
I need to create sql script that creates a table if it doesn't exist.

I tried to use

if not exists
(select * from sysibm.systable s where name ='mytable'
then
create table mytable ...
...
end if;


It reported problems. The task doesn't seem to be that hard. But apparently there is a problem using
DDL in the scripts. How could this be implemented than?
I would appreciate your help very much.

Thanks in advance.
Lana
Apr 11 '07 #1
1 3507
chandu031
78 Recognized Expert New Member
Hi Lana,

If you are doing this inside a procedure then you cannot use static CREATE or ALTER table commands.. Or any DDL for that matter. You should be using Dynamic query for that:

For example :

IF NOT EXISTS (SELECT 1 FROM SYSCAT.TABLES WHERE
TABSCHEMA = <YOURSCHEMA> AND
TABNAME = <YOURTABLENAM E>
) THEN
EXECUTE IMMEDIATE 'CREATE TABLE.......... .'


Hope this is helpful........ ...
Apr 12 '07 #2

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