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Oracle Database 19c: Program with PL/SQL Sample Questions (Q13-Q18):

NEW QUESTION # 13
Which two are true about collections and RECORD types? (Choose two.)

  • A. A variable of RECORD type can contain fields of another RECORD type or any collection type.
  • B. All collections and RECORD types can be defined in PL/SQL blocks, packages, or at the schema level.
  • C. Collections and RECORD types are always dense.
  • D. All collections and RECORD types can be stored in table columns.
  • E. VARRAYS, nested tables and each field in %ROWTYPE type variables have a default value of null.
  • F. Only associative arrays and nested tables can have elements of RECORD type.

Answer: E,F


NEW QUESTION # 14
Which is the correct method to implement a local subprogram in an anonymous block?

  • A.
  • B.
  • C.
  • D.

Answer: A


NEW QUESTION # 15
Which three are true about PL/SQL subprograms? (Choose three.)

  • A. Reuse of parsed PL/SQL code from the shared SQL area reduces parsing overhead.
  • B. Host variables can be referenced inside any PL/SQL subprogram.
  • C. A PL/SQL procedure can invoke an external code block written in a different programming language.
  • D. Results of a subprogram can be cached in the SGA such that sessions connected to the same instance can reuse these results when available.
  • E. Subprograms are cached by default and shared among users, thereby reducing memory requirements.
  • F. Users granted execute privilege on a procedure compiled with definer's rights require grants to access objects belonging to the definer that are referenced in the procedure.
  • G. A subprogram's session state is retained even if any of the session's instantiated subprograms are invalidated and revalidated.

Answer: A,C,E


NEW QUESTION # 16
Which three are true about the NOCOPY hint, the PARALLEL ENABLE hint, and the DETERMINISTIC clause? (Choose three.)

  • A. The PARALLEL_ENABLE clause can be specified for a nested function.
  • B. The NOCOPY hint asks the compiler to pass the actual parameters by reference.
  • C. A deterministic function's results always depend on the state of session variables.
  • D. A function defined with the PARALLEL_ENABLE clause may be executed in parallel in a SELECT statement or a subquery in a DML statement.
  • E. A function is deterministic if it always returns the same result for a specific combination of input values.
  • F. The NOCOPY hint asks the compiler to pass the actual parameters by value.
  • G. The PARALLEL_ENABLE clause can be used only in the CREATE FUNCTION statement.

Answer: B,D,E


NEW QUESTION # 17
Examine these statements:

Which two are true? (Choose two.)

  • A. Only one table will have a row inserted and committed.
  • B. Neither table will have a row inserted and committed.
  • C. The bank_activity_proc will not compile because of the commit.
  • D. The transaction for the bank_activity_proc is independent of the bank_transaction_proc.
  • E. Both tables will have a row inserted and committed.

Answer: A,D


NEW QUESTION # 18
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