Database Performance Tuning Quiz With Answers

Computer MCQs 360April 4, 2024

0 19 1 minute read

Welcome to the Database Performance Tuning MCQs with Answers. In this post, we have shared Database Performance Tuning Online Test for different competitive exams. Find practice Database Performance Tuning Practice Questions with answers in Computer Tests exams here. Each question offers a chance to enhance your knowledge regarding Database Performance Tuning.

Database Performance Tuning Online Quiz

By presenting 3 options to choose from, Database Performance Tuning Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Database Performance Tuning Questions and Answers and click over the correct answer.

Test Name: Database Performance Tuning MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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Database Performance Tuning

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1 / 40

What is the primary advantage of using parameterized queries in SQL?

Prevent SQL injection attacks

Improve query performance

Increase data redundancy

2 / 40

What does the term "denormalization" refer to in database performance tuning?

Reducing database size

Adding redundant data to improve query performance

Encrypting database

3 / 40

Which SQL operation is NOT typically optimized using indexing?

SELECT

UPDATE

INSERT

4 / 40

What does the term "table partitioning" refer to in database performance tuning?

Encrypt database access

Divide large tables into smaller, manageable parts

Archive old data

5 / 40

Which factor does NOT typically influence database performance?

Network bandwidth

Database size

Operating system version

6 / 40

Which statement is true about database connection pooling in performance tuning?

Improve data security

Reduce the overhead of opening and closing database connections

Increase network bandwidth

7 / 40

What is the primary benefit of using stored procedures for database performance tuning?

Reduce network traffic

Increase database size

Improve data security

8 / 40

What does the term "database sharding" refer to in performance tuning?

Horizontal partitioning of data across multiple servers

Data encryption

Vertical partitioning

9 / 40

Which database performance tuning technique ensures optimal disk space allocation?

Indexing

Query optimization

Defragmentation

10 / 40

Which SQL command is used to analyze query execution plans?

ANALYZE

SHOW PLAN

EXPLAIN

11 / 40

What is the primary disadvantage of using database replication for performance tuning?

Improved data security

Faster data recovery

Increased complexity

12 / 40

What does the term "hotspot" refer to in database performance tuning?

Inefficient queries

Frequently accessed data

Unused database objects

13 / 40

Which statement is true about SQL query optimization techniques?

Increase ORDER BY clause

Avoid using indexes

Use WHERE clause to filter rows

14 / 40

What is the primary role of database index fragmentation in performance tuning?

Defragment database tables

Optimize query execution

Reduce query performance

15 / 40

Which type of index is most suitable for columns with low cardinality?

Hash index

Bitmap index

Clustered index

16 / 40

What is the primary benefit of using database caching for performance tuning?

Reduce disk I/O operations

Optimize network traffic

Increase database size

17 / 40

What is a "covering index" in database performance optimization?

Index that includes a single column

Index that includes all columns required by a query

Index that excludes columns

18 / 40

What is the role of database partitioning in performance tuning?

Increase database size

Backup and recovery

Improve manageability and query performance

19 / 40

Which indexing technique stores keys in a sorted order?

Heap

B-tree

Hash

20 / 40

Which database performance tuning technique reduces the number of database connections?

Data encryption

Indexing

Connection pooling

21 / 40

Which statement is true about database query caching in performance tuning?

Cache query results to reduce execution time

Optimize network bandwidth

Encrypt database access

22 / 40

What is the primary role of database caching in performance tuning?

Encrypt database access

Store frequently accessed data in memory

Archive old database records

23 / 40

What is the primary purpose of indexing in a database?

Secure data transmission

Manage database transactions

Speed up data retrieval

24 / 40

What is the role of database locking in performance tuning?

Control access to shared resources

Optimize query performance

Backup and recovery

25 / 40

What is the purpose of "database profiling" in performance tuning?

Encrypt database access

Backup and recovery

Identify performance bottlenecks

26 / 40

What is the primary role of database query rewriting in performance tuning?

Encrypt database access

Improve query execution efficiency

Reduce database size

27 / 40

Which SQL operation typically requires indexing for performance optimization?

DELETE

SELECT

DROP

28 / 40

Which database object is commonly used to improve query performance by storing frequently accessed data?

Procedure

Materialized view

Trigger

29 / 40

What is database performance tuning?

Optimizing database operations for better efficiency

Securing database access

Increasing database size

30 / 40

Which statement is true about clustered indexes in SQL Server?

Support data manipulation

Improve data security

Define the physical order of data rows

31 / 40

What does the term "query optimization" refer to in database performance tuning?

Increase database size

Improve SQL query execution efficiency

Backup database

32 / 40

Which factor is NOT typically considered in database index selection?

Data cardinality

Query execution frequency

Database vendor

33 / 40

What is the primary role of database statistics in performance tuning?

Encrypt database access

Optimize network traffic

Help the query optimizer make better decisions

34 / 40

Which database performance tuning technique improves data retrieval speed by precomputing results?

Triggers

Materialized views

Stored procedures

35 / 40

Which statement is true about SQL indexing guidelines?

Avoid indexing on columns with low selectivity

Use indexes for INSERT queries

Index all columns

36 / 40

Which database performance tuning technique reduces data redundancy?

Indexing

Normalization

Denormalization

37 / 40

What is the role of database buffering in performance tuning?

Cache frequently accessed data

Manage database backups

Audit database access

38 / 40

Which SQL feature is commonly used for limiting the number of rows returned by a query?

TOP

ROWS

LIMIT

39 / 40

Which database performance tuning technique is used to reduce response time for complex queries?

Indexing

Data encryption

Query optimization

40 / 40

What is the primary disadvantage of using too many indexes on a table?

Reduced data security

Increased storage space

Slower data retrieval

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Computer MCQs 360April 4, 2024

0 19 1 minute read