TOP RELIABLE TEST 1Z0-149 TEST OFFERS CANDIDATES PROFESSIONAL ACTUAL ORACLE ORACLE DATABASE 19C: PROGRAM WITH PL/SQL EXAM PRODUCTS

Top Reliable Test 1Z0-149 Test Offers Candidates Professional Actual Oracle Oracle Database 19c: Program with PL/SQL Exam Products

Top Reliable Test 1Z0-149 Test Offers Candidates Professional Actual Oracle Oracle Database 19c: Program with PL/SQL Exam Products

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Oracle Database 19c: Program with PL/SQL Sample Questions (Q65-Q70):

NEW QUESTION # 65
Which three are true about PL/SQL subprograms? (Choose three.)

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

Answer: B,F,G


NEW QUESTION # 66
Which two are true about collections and RECORD types? (Choose two.)

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

Answer: C,E


NEW QUESTION # 67
Which three are valid PL/SQL variable names? (Choose three.)

  • A. #printer_name
  • B. printer_name#
  • C. 1to7number
  • D. leap$year
  • E. yesterday's_date
  • F. Number_of_days_between_March_and_April
  • G. v_fname

Answer: B,D,G


NEW QUESTION # 68
Which two are true about the PLSQL_CODE_TYPE parameter? (Choose two.)

  • A. The default value is NATIVE.
  • B. Changing the parameter setting automatically changes the setting for existing PL/SQL library units.
  • C. It can use the REUSE SETTINGS clause to recompile a program unit without changing to the current session settings.
  • D. If set to NATIVE, programs are stored in platform dependent machine code.
  • E. If set to NATIVE, programs are stored in a PL/SQL bytecode format.

Answer: C,D


NEW QUESTION # 69
Which two are true about implicit data type conversion? (Choose two.)

  • A. Implicit data type conversion can negatively impact performance.
  • B. RAW data types are always implicitly converted to a CLOB when used in a query.
  • C. Collections can be implicitly converted to records.
  • D. ROWIDS are always implicitly converted to a number when used in a query.
  • E. Comparison between character value and a number value always implicitly converts the character value to the number data type.

Answer: A,E


NEW QUESTION # 70
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