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#1
June 14th, 2004, 10:58 PM
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Database trigger
Hi all, Im trying to create a database trigger in forms builder but I keep receiving the following error when I click on save.
ORA-04021 timeout occurred while waiting to lock object username.tablename So I then revertedt o trying to create it manually using PL/SQL - here is my code Code:
CREATE OR REPLACE TRIGGER TRIGGER1 AFTER INSERT OR UPDATE OR DELETE ON PURCHASES DECLARE itemquant stock_items.quantity%TYPE; stock_new_quantity NUMBER(3):='0'; BEGIN stock_new_quantity := itemquant - :purchases.purch_quant; UPDATE stock_items SET quantity = stock_new_quantity WHERE stock_items.stock_item_id = :stock_items.stock_item_id; COMMIT; END; / I was surprised that I still get the error  I have tried granting execute permissions on DBMS_LOCK with no success, has anyone got any ideas? Cheers Dirk
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#2
June 16th, 2004, 11:54 AM
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you can't have a commit inside a trigger. a trigger is, by definition, a commit-level event handler.
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| Viewing: Dev Shed Forums > Databases > Oracle Development > Database trigger |
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