Row level trigger:
1) For each row clause used
2) Allow using when clause in row level trigger
3) Row level trigger has: new: old qualifiers
4) In row-level trigger, the trigger body is executed for each and every row for a DML statement
5) Performance low as compared to statement level trigger
Statement level trigger:
1) For each row clause not used
2) Not allowed using when clause in statement level trigger
3) Statement level trigger does not have: new: old qualifiers
4) in statement level trigger, the trigger body is executed only once per DML statement
5) Performance is high as compared to row-level trigger
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