SQL Server Advanced Performance Tuning – Expert-Level Quiz

SQL Server Advanced Performance Tuning - Expert-Level Quiz

Are you ready to push your SQL Server skills to the limit? This expert-level quiz is designed to challenge even the most seasoned SQL Server professionals. Test your advanced performance tuning skills, from optimizing queries and indexes to managing server resources and troubleshooting performance bottlenecks. Let’s see if you have what it takes to be an SQL Server advanced performance tuning expert.

1 / 20

Which design strategy can reduce the occurrence of blocking locks?

Make sure that CREATE and DROP statements use an existing index

Use clustered indexes on high-usage tables

Use non-clustered indexes on high-usage tables

Use clustered indexes on less-usage tables

2 / 20

One of the following statements is correct: which is it?

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

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

When forced parameterization is tried but fails, simple parameterization is still subsequently tried

JDBC use parameter markers

3 / 20

What is the purpose of the DBCC SQLPERF command?

To provide CPU usage statistics

To provide disk usage statistics

To provide memory usage statistics

To provide transaction log space usage statistics

4 / 20

Which of the following is a wrong statement?

Disallowing a locking level can affect concurrency adversely

By default, SQL Server transactions times out after a certain time

Table-level locking hints can be used when a finer control of the types of locks acquired on an object is required

Schema modification (Sch-M) locks are used when a table data definition language operation is being performed

5 / 20

What is the purpose of the SET STATISTICS IO statement?

To display information about the memory usage

To display information about the amount of disk activity generated by T-SQL statements

To display information about the network usage

To display information about the CPU usage

6 / 20

Which of the following conditions will ignore the request to enable delayed durability?

DELAYED_DURABILITY = NULL

DELAYED_DURABILITY = 0

DELAYED_DURABILITY = IGNORED

DELAYED_DURABILITY = FORCED

7 / 20

Which mode has an exclusive range and exclusive resource lock?

RangeI_N

RangeX_X

RangeS_U

RangeS_S

8 / 20

What is the purpose of the MAXDOP option in SQL Server?

To maximize the disk usage

To limit the number of processors used for parallel plan execution

To maximize the database performance

To limit the database size

9 / 20

What is the purpose of the DBCC CHECKTABLE command?

To check the integrity of the database

To check the integrity of a table or indexed view

To check the integrity of the buffer

None of the above

10 / 20

What locks allow you to bulk copy data concurrently into the same table?

Bulk import

Bulk copy

Bulk update

Bulk export

11 / 20

Which of the following arguments is ignored by the database engine in COMMIT TRANSACTION?

@tran_name

transaction_name

@tran_name_variable

None of the above

12 / 20

Which DMV can be used to monitor memory usage?

sys.dm_os_memory_cache_entries

sys.dm_os_memory_cache_counters

sys.dm_os_memory_clerks

sys.dm_os_memory_cache_hash_tables

13 / 20

Which of the following locking hints is similar to NOLOCK?

READUNCOMMITTED

PAGLOCK

READCOMMITTED

SERIALIZABLE

14 / 20

What is the purpose of the DBCC DROPCLEANBUFFERS command?

To remove all buffers from the procedure cache

To remove all buffers from the buffer pool

To remove all clean buffers from the buffer pool

To remove all dirty buffers from the buffer pool

15 / 20

Which SQL Server feature allows you to compress data to save storage space?

SQL Server Configuration Manager

SQL Server Profiler

Data Compression

SQL Server Agent

16 / 20

Which of the following is a vaild syntax?

SET SHOWPLAN { ON | OFF }

None of the above

SET SHOW_XML { ON | OFF }

SET SHOWPLAN_XML { ON | OFF }

17 / 20

One of the following locks is incompatible with all lock modes.

Schema modification

Intent exclusive (IX)

Bulk update

Schema stability

18 / 20

What is the purpose of the DBCC FREEPROCCACHE command?

To clear the procedure cache

To clear the buffer cache

To clear the database backup

To clear the transaction log

19 / 20

What is the purpose of the DBCC SHRINKDATABASE command?

To reduce the size of the data and log files in the specified database

To reduce the size of the buffer pool

To reduce the size of the procedure cache

To reduce the size of the transaction log

20 / 20

Which of the following displays the profile information for a statement?

SET STATISTICS

SET STATISTICS PROFILE

SET STATS PROFILE

SET DISPLAY PROFILE

Your score is

The average score is 15%

Do you think you’ve mastered SQL Server’s nuances? Now is the time to distinguish yourself as a true SQL Server advanced performance tuning virtuoso with this expert-level quiz.

In SQL Server, performance tuning is akin to wielding a finely tuned instrument in data management. It involves the art and science of optimizing the performance of your SQL Server databases. This is done by fine-tuning various elements such as queries, indexes, configuration settings, and more.

Your mastery will enhance the efficiency and speed of database operations and elevate your expertise as an SQL Server professional.

Good luck!