Oracle - FOR Loop WHILE Loop IF-THEN-ELSE MCQ

Oracle – FOR Loop WHILE Loop IF-THEN-ELSE

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1. In Oracle PL/SQL, which loop construct is typically used when you know the number of iterations in advance?

IF-THEN-ELSE

FOR Loop

WHILE Loop

None of the above

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2. What is the primary purpose of a FOR Loop in Oracle PL/SQL?

To handle exceptions.

To execute a block of code multiple times until a condition is met.

To define variables in a loop.

To conditionally execute a block of code.

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3. In Oracle PL/SQL, which keyword is used to declare a FOR Loop?

IF

FOR

LOOP

WHILE

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4. In a FOR Loop, how do you specify the number of iterations in Oracle PL/SQL?

By using the LOOP keyword

By using the WHILE keyword

By using the END LOOP statement

By providing a range of values

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5. Which loop construct in Oracle PL/SQL is used when you want to repeat a block of code until a condition becomes false?

None of the above

IF-THEN-ELSE

WHILE Loop

FOR Loop

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6. What is the primary purpose of a WHILE Loop in Oracle PL/SQL?

To define variables in a loop.

To conditionally execute a block of code.

To execute a block of code multiple times until a condition is met.

To handle exceptions.

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7. In Oracle PL/SQL, which keyword is used to declare a WHILE Loop?

IF

FOR

LOOP

WHILE

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8. In a WHILE Loop, how do you specify the condition that controls the loop in Oracle PL/SQL?

By providing a range of values

By using the LOOP keyword

By using the FOR keyword

By using the END LOOP statement

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9. In Oracle PL/SQL, what is the primary purpose of an IF-THEN-ELSE statement?

To conditionally execute a block of code.

To handle exceptions.

To define variables in a loop.

To execute a block of code multiple times until a condition is met.

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10. Which keyword is used to declare an IF-THEN-ELSE statement in Oracle PL/SQL?

END IF

THEN

IF

ELSE

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11. In an IF-THEN-ELSE statement, what happens if the condition in the IF clause is true?

None of the above

The code block in the THEN clause is executed.

The code block in the END IF clause is executed.

The code block in the ELSE clause is executed.

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12. In an IF-THEN-ELSE statement, what happens if the condition in the IF clause is false?

The code block in the ELSE clause is executed.

The code block in the THEN clause is executed.

The code block in the END IF clause is executed.

None of the above

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13. In Oracle PL/SQL, what is the purpose of the ELSE clause in an IF-THEN-ELSE statement?

To end the IF-THEN-ELSE statement.

To declare exceptions.

To execute a block of code when the condition is false.

To define variables.

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14. In Oracle PL/SQL, which keyword is used to end an IF-THEN-ELSE statement?

END IF

THEN

IF

ELSE

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15. In an IF-THEN-ELSE statement, can the ELSE clause be omitted?

No, it is mandatory.

Only if the condition in the IF clause is false.

Only if the condition in the IF clause is true.

Yes, it can be omitted if not needed.

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16. In Oracle PL/SQL, which loop construct is used when you want to execute a block of code at least once, even if the condition is false?

WHILE Loop

FOR Loop

None of the above

IF-THEN-ELSE

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17. What is the primary purpose of a LOOP statement in Oracle PL/SQL?

To execute a block of code multiple times until a condition is met.

To define variables in a loop.

To conditionally execute a block of code.

To handle exceptions.

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18. In Oracle PL/SQL, which keyword is used to declare a LOOP statement?

FOR

IF

WHILE

LOOP

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19. In a LOOP statement, how do you specify the condition that controls the loop in Oracle PL/SQL?

By using the WHILE keyword

By using the FOR keyword

By providing a range of values

By using the END LOOP statement

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20. Which loop construct in Oracle PL/SQL is used when you want to execute a block of code based on a specific range of values?

WHILE Loop

FOR Loop

IF-THEN-ELSE

None of the above

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21. What is the primary purpose of a GOTO statement in Oracle PL/SQL?

To define variables in a loop.

To transfer control to a labeled statement.

To conditionally execute a block of code.

To execute a block of code multiple times until a condition is met.

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22. In Oracle PL/SQL, which keyword is used to declare a labeled statement for GOTO?

GOTO

BEGIN

DECLARE

LABEL

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23. In a GOTO statement, what is the purpose of the label to which control is transferred in Oracle PL/SQL?

To define variables.

To specify a target location within the program.

To end the program execution.

To execute a block of code.

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24. In Oracle PL/SQL, what is the primary purpose of a CONTINUE statement?

To conditionally execute a block of code.

To execute a block of code multiple times until a condition is met.

To skip the current iteration of a loop.

To define variables in a loop.

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25. In Oracle PL/SQL, which keyword is used to declare a CONTINUE statement?

SKIP ITERATION

SKIP

END LOOP

CONTINUE

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Oracle – FOR Loop WHILE Loop IF-THEN-ELSE MCQ