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Oracle Database 19c: Program with PL/SQL Sample Questions (Q44-Q49):

NEW QUESTION # 44
Which three are true about PL/SQL subprograms? (Choose three.)

A. Host variables can be referenced inside any PL/SQL subprogram.
B. 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.
C. Reuse of parsed PL/SQL code from the shared SQL area reduces parsing overhead.
D. A PL/SQL procedure can invoke an external code block written in a different programming language.
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. A subprogram's session state is retained even if any of the session's instantiated subprograms are invalidated and revalidated.
G. Subprograms are cached by default and shared among users, thereby reducing memory requirements.

Answer: C,D,G

NEW QUESTION # 45
SERVEROUTPUT is enabled.
Which code block will display the values from 1 to 10 in descending order?

Answer: B

NEW QUESTION # 46
Which three are valid PL/SQL variable names? (Choose three.)

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

Answer: C,E,F

NEW QUESTION # 47
Which is the correct method to implement a local subprogram in an anonymous block?

Answer: D

NEW QUESTION # 48
Examine this row of data from the EMPLOYEES table:

Now, examine this block of code which executes successfully:

What is the value of v_commission?

A. 0
B. 1
C. 2
D. 3

Answer: C

NEW QUESTION # 49
......

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