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 DBCC DROPCLEANBUFFERS command?

To remove all clean buffers from the buffer pool

To remove all dirty buffers from the buffer pool

To remove all buffers from the buffer pool

To remove all buffers from the procedure cache

2 / 20

The maximum size for all caches is based on what size?

RAM

SSD

Buffer pool

Hard disk

3 / 20

What is the purpose of the DBCC CHECKTABLE command?

To check the integrity of the buffer

None of the above

To check the integrity of a table or indexed view

To check the integrity of the database

4 / 20

Which of the following is a wrong statement?

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

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

5 / 20

Which of the following statements is correct?

SET SHOWPLAN_TEXT causes Microsoft SQL Server to execute Transact-SQL statements

All of the above

The setting of SET SHOWPLAN_XML is set at execute or run time and not at parse time

The setting of SET SHOWPLAN_ALL is set at execute or run time and not at parse time

6 / 20

Which DMV can be used to monitor the performance of the buffer pool?

sys.dm_os_buffer_cache

sys.dm_os_buffer_stats

sys.dm_os_buffer_descriptors

sys.dm_os_buffer_pool

7 / 20

What is the purpose of the DBCC SQLPERF command?

To provide CPU usage statistics

To provide memory usage statistics

To provide disk usage statistics

To provide transaction log space usage statistics

8 / 20

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

Intent exclusive (IX)

Schema modification

Bulk update

Schema stability

9 / 20

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

DELAYED_DURABILITY = IGNORED

DELAYED_DURABILITY = 0

DELAYED_DURABILITY = NULL

DELAYED_DURABILITY = FORCED

10 / 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_hash_tables

sys.dm_os_memory_cache_entries

11 / 20

Which of the following locking hints is similar to NOLOCK?

SERIALIZABLE

READCOMMITTED

PAGLOCK

READUNCOMMITTED

12 / 20

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

SET DISPLAY PROFILE

SET STATISTICS

SET STATISTICS PROFILE

SET STATS PROFILE

13 / 20

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

SQL Server Agent

SQL Server Configuration Manager

SQL Server Profiler

Data Compression

14 / 20

What is the purpose of the DBCC FREEPROCCACHE command?

To clear the buffer cache

To clear the database backup

To clear the transaction log

To clear the procedure cache

15 / 20

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

Bulk import

Bulk export

Bulk update

Bulk copy

16 / 20

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

To limit the number of processors used for parallel plan execution

To limit the database size

To maximize the database performance

To maximize the disk usage

17 / 20

Which resource can be locked in SQL Server?

SID

TID

RID

PID

18 / 20

Which SQL Server feature allows you to tune the performance of your database automatically?

SQL Server Agent

SQL Server Profiler

SQL Server Configuration Manager

Automatic Tuning

19 / 20

What is the purpose of the DBCC INDEXDEFRAG command?

To defragment the procedure cache

To defragment indexes on a table or view

To defragment the database

To defragment the buffer pool

20 / 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 CPU usage

To display information about the network usage

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!