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

What is the purpose of the SET STATISTICS IO statement?

To display information about the memory usage

To display information about the CPU usage

To display information about the network usage

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

2 / 20

Which of the following is a vaild syntax?

SET SHOWPLAN { ON | OFF }

SET SHOW_XML { ON | OFF }

SET SHOWPLAN_XML { ON | OFF }

None of the above

3 / 20

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

Bulk import

Bulk update

Bulk copy

Bulk export

4 / 20

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

transaction_name

@tran_name

@tran_name_variable

None of the above

5 / 20

Which of the following locking hints is similar to NOLOCK?

READUNCOMMITTED

READCOMMITTED

PAGLOCK

SERIALIZABLE

6 / 20

Which mode has an exclusive range and exclusive resource lock?

RangeX_X

RangeS_U

RangeS_S

RangeI_N

7 / 20

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

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

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

JDBC use parameter markers

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

8 / 20

Which resource can be locked in SQL Server?

TID

PID

SID

RID

9 / 20

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

SQL Server Agent

Data Compression

SQL Server Configuration Manager

SQL Server Profiler

10 / 20

What is the purpose of the DBCC INDEXDEFRAG command?

To defragment indexes on a table or view

To defragment the buffer pool

To defragment the database

To defragment the procedure cache

11 / 20

Which DMV can be used to monitor memory usage?

sys.dm_os_memory_cache_counters

sys.dm_os_memory_clerks

sys.dm_os_memory_cache_entries

sys.dm_os_memory_cache_hash_tables

12 / 20

Which of the following marks the end of a successful implicit or explicit transaction?

ROLLBACK TRANSACTION

COMMIT WORK

COMMIT TRANSACTION

SUCCESSFUL TRANSACTION

13 / 20

What is the primary purpose of indexing in SQL Server?

To secure the database

To increase storage space

To simplify database design

To speed up data retrieval

14 / 20

Which design strategy can reduce the occurrence of blocking locks?

Use clustered indexes on high-usage tables

Use clustered indexes on less-usage tables

Use non-clustered indexes on high-usage tables

Make sure that CREATE and DROP statements use an existing index

15 / 20

What is the purpose of the DBCC CHECKTABLE command?

To check the integrity of a table or indexed view

To check the integrity of the database

To check the integrity of the buffer

None of the above

16 / 20

Which DMV can be used to monitor index usage?

sys.dm_db_index_physical_stats

sys.dm_db_index_operational_stats

sys.dm_db_index_usage_stats

sys.dm_db_index_virtual_stats

17 / 20

Which of the following is how a statement can be physically executed?

All of the above

execution plan

query plan

query execution plan

18 / 20

What is the purpose of the DBCC DROPCLEANBUFFERS command?

To remove all dirty buffers from the buffer pool

To remove all buffers from the procedure cache

To remove all clean buffers from the buffer pool

To remove all buffers from the buffer pool

19 / 20

What is the basic difference between COMMIT and COMMIT WORK?

COMMIT WORK accepts a user-defined stored procedure

COMMIT WORK accepts a user-defined transaction name

COMMIT TRANSACTION accepts a user-defined function

COMMIT TRANSACTION accepts a user-defined transaction name

20 / 20

What is the purpose of the DBCC SHRINKDATABASE command?

To reduce the size of the procedure cache

To reduce the size of the transaction log

To reduce the size of the buffer pool

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

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!