MS SQL Server - 31 - IF WHILE BLOCK MCQ

31 – IF WHILE BLOCK MCQ

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1. What is the primary purpose of a block of statements in SQL Server?

To create a new database

To define a user-defined function

To define the structure of a table

To group multiple SQL statements into a single logical unit

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2. Which SQL statement is used to define a block of statements in SQL Server?

DEFINE

DECLARE

BLOCK

BEGIN

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3. In SQL Server, what is the primary purpose of the IF statement?

To create a loop

To insert data into a table

To define a block of statements

To conditionally execute a block of statements

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4. What is the syntax for the IF statement in SQL Server?

IF (condition) THEN { statement }

IF condition THEN statement END IF

IF (condition) { statement }

IF condition BEGIN { statement } END

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5. In SQL Server, what is the purpose of the ELSE clause in an IF statement?

To execute a block of statements if the condition is false

To execute a block of statements if the condition is true

To define a new block of statements

To specify the condition for the IF statement

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6. In SQL Server, which keyword is used to exit a loop in a WHILE statement?

BREAK

STOP

EXIT

END

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7. What is the primary purpose of the WHILE statement in SQL Server?

To create a loop that repeats while a condition is true

To define a block of statements

To conditionally execute a block of statements

To insert data into a table

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8. What is the syntax for the WHILE statement in SQL Server?

WHILE condition BEGIN { statement } END

WHILE (condition) THEN { statement }

WHILE (condition) { statement }

WHILE condition THEN statement END WHILE

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9. In SQL Server, what is the purpose of the BREAK statement within a WHILE loop?

To exit the entire SQL Server session

To restart the loop from the beginning

To stop the execution of the loop and continue with the next statement after the loop

To skip the next iteration of the loop

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10. In SQL Server, what is the purpose of the CONTINUE statement within a WHILE loop?

To skip the next iteration of the loop and continue with the following iteration

To restart the loop from the beginning

To exit the loop

To execute the loop's statements twice

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11. What happens if the condition in a WHILE statement is initially false in SQL Server?

An error is thrown.

The loop is not executed.

The loop is executed once.

The loop continues indefinitely.

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12. In SQL Server, what is the primary use of the GOTO statement within a block of statements?

To create a new block of statements

To exit the block of statements

To define a label for a block of statements

To transfer control to a specified label within the same block

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13. In SQL Server, what is the purpose of the THROW statement within a block of statements?

To raise an exception with a specified message

To transfer control to a specified label within the same block

To exit the block of statements

To define a label for a block of statements

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14. In SQL Server, what is the primary purpose of the RETURN statement within a block of statements?

To transfer control to a specified label within the same block

To define a label for a block of statements

To exit a function and return a value to the caller

To exit the block of statements

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15. In SQL Server, how is the execution flow controlled within a block of statements?

By using the IF statement

By using the GOTO statement

By using the BEGIN and END keywords

By using the BREAK statement

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16. In SQL Server, what is the primary use of the WAITFOR statement within a block of statements?

To exit the block of statements

To introduce a delay in execution

To raise an exception

To define a label for a block of statements

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17. What is the purpose of the RAISEERROR statement within a block of statements in SQL Server?

To exit the block of statements

To define a label for a block of statements

To transfer control to a specified label within the same block

To raise an exception with a specified error number and message

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18. In SQL Server, what is the primary use of the TRY…CATCH block within a block of statements?

To define a label for a block of statements

To handle exceptions and errors that occur during execution

To exit the block of statements

To transfer control to a specified label within the same block

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19. In SQL Server, which keyword is used to define a label within a block of statements?

NAME

DEFINE

DECLARE

LABEL

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20. In SQL Server, what is the purpose of the COMMIT statement within a block of statements?

To define a label for a block of statements

To save the changes made by the statements to the database

To exit the block of statements

To transfer control to a specified label within the same block

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21. What is the primary purpose of the ROLLBACK statement within a block of statements in SQL Server?

To exit the block of statements

To transfer control to a specified label within the same block

To undo changes made by the statements and restore the database to its previous state

To define a label for a block of statements

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22. In SQL Server, what is the primary use of the PRINT statement within a block of statements?

To transfer control to a specified label within the same block

To define a label for a block of statements

To exit the block of statements

To display messages or information during execution

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23. What is the primary purpose of the THROW statement within a TRY…CATCH block in SQL Server?

To handle exceptions and errors that occur during execution

To raise an exception with a specified error number and message

To define a label for a block of statements

To exit the block of statements

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24. In SQL Server, what is the primary use of the @@ERROR function within a block of statements?

To define a label for a block of statements

To exit the block of statements

To retrieve the error code for the most recent error that occurred

To transfer control to a specified label within the same block

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25. What is the primary purpose of the GOTO statement within a TRY…CATCH block in SQL Server?

To exit the block of statements

To handle exceptions and errors that occur during execution

To transfer control to a specified label within the same block

To define a label for a block of statements

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MS SQL Server – 31 – IF WHILE BLOCK MCQ