sulochanalak

 Profile Answers by sulochanalak 

• Jul 13th, 2007

 

I can answer for types of triggers
Types to triggers :

?1. Database trigger: can be?executed before and after the dml commands
?????? a. Row level: if we want to cahnge any row then row level triggers are fired
???????b. Statement level: it is executed eventhough no row is changed from the table.
?2. Form? trigger

chandraagi

 Profile Answers by chandraagi 

• Oct 3rd, 2008

 

Use of triggers: we can do the record insertion/deletion/updation when we perform certain operation on a table or database logon and logoff
Improves the security of data and tracking the changes done on a table records
based on the type operation triggers are Insert, Update, Delete