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in PL/SQL by
Q:
Explain what are The Events On Which A Database Trigger Can Be Based?

1 Answer

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Database triggers are based on system events and can be defined at database or schema level. The various events on which a database trigger can be based are given as follows:

  •  Data definition statement on a database or schema object
  •  Logging off or on of a specific user
  •  Database shutdown or startup
  •  On any specific error that occurs

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