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 = FORCED

DELAYED_DURABILITY = 0

DELAYED_DURABILITY = IGNORED

DELAYED_DURABILITY = NULL

2 / 20

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

SQL Server Configuration Manager

SQL Server Agent

SQL Server Profiler

Automatic Tuning

3 / 20

Which mode has an exclusive range and exclusive resource lock?

RangeS_U

RangeI_N

RangeS_S

RangeX_X

4 / 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

All of the above

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

5 / 20

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

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

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

JDBC use parameter markers

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

6 / 20

What is the purpose of the DBCC SQLPERF command?

To provide memory usage statistics

To provide CPU usage statistics

To provide transaction log space usage statistics

To provide disk usage statistics

7 / 20

Which SQL Server feature helps in identifying missing indexes?

SQL Server Agent

SQL Server Profiler

Database Engine Tuning Advisor

SQL Server Configuration Manager

8 / 20

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

query plan

execution plan

All of the above

query execution plan

9 / 20

What is the purpose of the DBCC FREEPROCCACHE command?

To clear the procedure cache

To clear the transaction log

To clear the buffer cache

To clear the database backup

10 / 20

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

Schema stability

Intent exclusive (IX)

Schema modification

Bulk update

11 / 20

Which of the following is a vaild syntax?

None of the above

SET SHOW_XML { ON | OFF }

SET SHOWPLAN { ON | OFF }

SET SHOWPLAN_XML { ON | OFF }

12 / 20

What is the purpose of the SET STATISTICS IO statement?

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

To display information about the memory usage

To display information about the CPU usage

To display information about the network usage

13 / 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

14 / 20

What is the purpose of the DBCC INDEXDEFRAG command?

To defragment the database

To defragment the procedure cache

To defragment the buffer pool

To defragment indexes on a table or view

15 / 20

What is the basic difference between COMMIT and COMMIT WORK?

COMMIT WORK accepts a user-defined transaction name

COMMIT WORK accepts a user-defined stored procedure

COMMIT TRANSACTION accepts a user-defined transaction name

COMMIT TRANSACTION accepts a user-defined function

16 / 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

None of the above

Microsoft SQL Server100ToolsBinnschemassqlserver20047showplanshowplanxml.xsl

17 / 20

SET SHOWPLAN_TEXT is intended to return readable output for what utility?

tsql

osql

pgsql

plsql

18 / 20

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

To limit the database size

To maximize the database performance

To maximize the disk usage

To limit the number of processors used for parallel plan execution

19 / 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 buffer

To check the integrity of the database

20 / 20

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

SQL Server Agent

Data Compression

SQL Server Profiler

SQL Server Configuration Manager

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!