| Syntax question SEQUENCES [message #370718] |
Sat, 22 January 2000 05:01  |
Laert
Messages: 20
Registered: January 2000
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Junior Member |
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Hi!
Can someone help me?
How can I in before trigger correct write something like this
new.ID := sequence.NEXTVAL;
Thanx in advance.
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| Re: Syntax question SEQUENCES [message #370723 is a reply to message #370718] |
Sat, 22 January 2000 10:57  |
Paul
Messages: 164
Registered: April 1999
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Senior Member |
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Laert,
Try this, assuming you don't already have one
you will first need to create a sequence as in:
CREATE SEQUENCE my_sequence;
then you can create your trigger like this:
CREATE TRIGGER my_trigger
BEFORE INSERT ON my_table
FOR EACH ROW
BEGIN
SELECT my_sequence.nextval
INTO :NEW.ID
FROM dual;
END;
Hope it helps,
Paul
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