Question: What is the difference between a PL/SQL stored procedure and a function? Briefly describe the pass-by-reference technique of passing values between actual and

  1. What is the difference between a PL/SQL stored procedure and a function?
  2. Briefly describe the "pass-by-reference" technique of passing values between actual and formal parameters in PL/SQL.
  3. Briefly describe the "pass-by-value" technique of passing values between actual and formal parameters in PL/SQL.
  4. What are the three main SQL DML commands that are automatically fired up by PL/SQL triggers.
  5. Which SQL DDL command is used to remove a trigger?

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