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Interview question based on skill :

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Total Questions: 20

1. The use of parameters, including parameter markers in _______ applications, can increase the reuse of execution plans.

Correct Answer is : All of the mentioned

2. Point out the correct statement :

Correct Answer is : Parameter markers are question marks (?) that replace a constant in an SQL statement

3. Use to bind an integer variable to the first parameter marker in an SQL statement.

Correct Answer is : SQLBindParameter

4. Point out the wrong statement :

Correct Answer is : MisGuided Plan Executions/sec represents number of plan executions per second in which the query plan has been generated by using a plan guide

5. Which of the following SQL Server SQL Statistics counter represents number of auto-parameterization attempts per second ?

Correct Answer is : Auto-Param Attempts/sec

6. The maximum size for all caches is a function of the ________ size.

Correct Answer is : Buffer pool

7. The conditions that invalidate a plan include the following :

Correct Answer is : Changes made to a table or view referenced by the query

8. What is the syntax for DBCC FREEPROCCACHE with all the optional parameters in T-SQL?

Correct Answer is : DBCC FREEPROCCACHE [ ( { plan_handle | sql_handle | pool_name } ) ] [ WITH NO_INFOMSGS ].

9. _________ uniquely identifies a query plan for a batch that has executed and whose plan resides in the plan cache.

Correct Answer is : plan_handle

10. Which of the following is not a ranking function ?

Correct Answer is : All of the mentioned

11. Point out the wrong statement :

Correct Answer is : OVER clause is not required in all the ranking functions

12. Which of the following is the simplest ranking function ?

Correct Answer is : ROW_NUMBER

13. Which of the clause is not mandatory ?

Correct Answer is : PARTITION BY clause

14. Which of the the function provides consecutive numbering except in the case of a tie ?

Correct Answer is : RANK

15. Which of the following will not raise error if not used ?

Correct Answer is : PARTITION BY clause

16. Which of the following error message will be displayed if ORDER CLAUSE is not mentioned in ROW NUMBER function ?

Correct Answer is : “The ranking function “ROW_NUMBER” must have an ORDER BY clause.”

17. Which of the following functions are similar ?

Correct Answer is : RANK and DENSE_RANK

18. Which of the following function is used when you want all tied rows to have the same ranking ?

Correct Answer is : RANK

19. SQL Server backup and restore operations occur within the context of the _______ model of the database.

Correct Answer is : recovery

20. Point out the correct statement :

Correct Answer is : Recovery models are designed to control transaction log maintenance