NEW OLD « Trigger « Oracle PL/SQL Tutorial

Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » Trigger » NEW OLD

28. 3. NEW OLD
	28. 3. 1.	Old and new value
	28. 3. 2.	Reference new value with :NEW in a before insert or update trigger
	28. 3. 3.	Refernece an old value in :OLD after update trigger
	28. 3. 4.	:old and :new Pseudo-records, Example 1
	28. 3. 5.	:old and :new Pseudo-records, Example 2
	28. 3. 6.	Raise application error in a trigger in case of invalid new value
	28. 3. 7.	REFERENCING OLD AS old NEW AS new
	28. 3. 8.	REFERENCING OLD AS old_values NEW AS new_values
	28. 3. 9.	Output new and old value in a before update trigger

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