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

DELAYED_DURABILITY = NULL

DELAYED_DURABILITY = IGNORED

DELAYED_DURABILITY = FORCED

DELAYED_DURABILITY = 0

2 / 20

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

execution plan

query plan

All of the above

query execution plan

3 / 20

What is the purpose of the DBCC CHECKTABLE command?

To check the integrity of a table or indexed view

None of the above

To check the integrity of the database

To check the integrity of the buffer

4 / 20

What is the purpose of the DBCC SHRINKDATABASE command?

To reduce the size of the transaction log

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

To reduce the size of the procedure cache

To reduce the size of the buffer pool

5 / 20

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

SQL Server Agent

SQL Server Profiler

SQL Server Configuration Manager

Data Compression

6 / 20

What is the primary purpose of indexing in SQL Server?

To simplify database design

To secure the database

To increase storage space

To speed up data retrieval

7 / 20

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

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

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

8 / 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

9 / 20

Which resource can be locked in SQL Server?

PID

TID

SID

RID

10 / 20

Which of the following is a vaild syntax?

None of the above

SET SHOWPLAN_XML { ON | OFF }

SET SHOW_XML { ON | OFF }

SET SHOWPLAN { ON | OFF }

11 / 20

Which SQL Server feature allows you to capture detailed information about query execution?

Extended Events

SQL Server Profiler

SQL Server Configuration Manager

SQL Server Agent

12 / 20

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

Bulk import

Bulk copy

Bulk update

Bulk export

13 / 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

14 / 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

15 / 20

Which of the following statements is correct?

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

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

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

All of the above

16 / 20

Which design strategy can reduce the occurrence of blocking locks?

Use non-clustered indexes on high-usage tables

Use clustered indexes on less-usage tables

Make sure that CREATE and DROP statements use an existing index

Use clustered indexes on high-usage tables

17 / 20

What is the purpose of the DBCC FREEPROCCACHE command?

To clear the transaction log

To clear the database backup

To clear the procedure cache

To clear the buffer cache

18 / 20

The document containing the XML schema for the XML output by SET STATISTICS XML is located where?

Microsoft SQL Server100ToolsBinnschemassqlserver20047showplanshowplanxml.xsd

Microsoft SQL Server100ToolsBinnschemassqlserver20047showplanshowplanxml.xml

Microsoft SQL Server100ToolsBinnschemassqlserver20047showplanshowplanxml.xsl

None of the above

19 / 20

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

To limit the database size

To maximize the disk usage

To limit the number of processors used for parallel plan execution

To maximize the database performance

20 / 20

Which DMV can be used to monitor index usage?

sys.dm_db_index_usage_stats

sys.dm_db_index_operational_stats

sys.dm_db_index_virtual_stats

sys.dm_db_index_physical_stats

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!