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 Oracle Forms 3.0  |  Question 15 of 66    Print  
What is the usage of an ON-INSERT,ON-DELETE and ON-UPDATE TRIGGERS ?
 
These triggers are executes when inserting, deleting and updating operations are   performed  and  can  be  used  to  change  the  default  function  of insert, delete or update respectively.
 
For  Eg,  instead  of  inserting  a  row  in a table an existing row can be updated in the same table.



  
Total Answers and Comments: 1 Last Update: March 31, 2006   
  
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March 31, 2006 08:42:53   #1  
raji        

RE: What is the usage of an ON-INSERT,ON-DE...
hi Triggers are like stored pocedure consisting of batch of sql statements. ON-INSERT ON-DELETE and ON-UPDATE TRIGGERS attached to the respective tables get fired when the tables gets manipulated by the query containing DML statements and checks for business logic inside the trigger object.
 
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 These triggers are executes when inserting, deleting and updating operations are   performed  and  can  be  used  to  change  the  default  
Latest Answer : hi Triggers are like stored pocedure consisting of batch of sql statements. ON-INSERT,ON-DELETE and ON-UPDATE TRIGGERS attached to the respective tables get fired when the tables gets manipulated by the query containing DML statements and checks for ...

Give  the  sequence  in which triggers fired during insert operations, when the following 3 triggers are defined at the same block level ?
 a. ON-INSERT b. POST-INSERT c. PRE-INSERT PRE-INSERT,ON-INSERT & POST-INSERT. 

 Execute Trigger (trigger-name) 

What  is  the  difference  between restricted and unrestricted package procedure ?
Restricted  package procedure that affects the basic functions of SQL * Forms. It cannot used in all triggers except key triggers. Unrestricted  package  procedure  that  


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