MySQL is an open-source relational database management system (RDBMS) that has been a cornerstone of web applications and data-driven solutions for over two decades. Developed by Oracle, MySQL offers a robust and efficient platform for storing, managing, and retrieving structured data. Its features include support for SQL, high performance, scalability, and extensive community support. MySQL is widely used for web development, e-commerce, content management systems, and more, making it a versatile and trusted database solution for organizations of all sizes, from startups to large enterprises.
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Practice Test
101. What is the primary purpose of user authentication in MySQL?
A. Data compression
B. Data encryption
C. Data security
D. Ensuring query optimization
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Answer: Data security
102. Which MySQL privilege is required to create new users?
A. CREATE USER
B. CREATE ACCOUNT
C. CREATE PRIVILEGE
D. CREATE DATABASE
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Answer: CREATE USER
103. In MySQL, what is the purpose of the GRANT statement?
A. To authenticate users
B. To revoke privileges
C. To grant privileges
D. To delete user accounts
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Answer: To grant privileges
104. Which authentication method in MySQL uses a username and password for access?
A. SSL/TLS
B. LDAP
C. PAM
D. Native authentication
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Answer: Native authentication
105. What is the purpose of the MySQL "root" user account?
A. To manage server administration
B. To execute queries
C. To perform read operations
D. To create new databases
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Answer: To manage server administration
106. What is SQL injection in MySQL and why is it a security concern?
A. A method to retrieve forgotten passwords
B. A technique to exploit vulnerabilities
C. A way to optimize queries
D. A method to compress data
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Answer: A technique to exploit vulnerabilities
107. Which feature in MySQL helps protect data during transmission over the network?
A. SSL/TLS
B. Data encryption
C. Firewall rules
D. Query caching
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Answer: SSL/TLS
108. What is the purpose of the MySQL "REVOKE" statement?
A. To grant privileges
B. To create new users
C. To remove privileges
D. To reset user passwords
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Answer: To remove privileges
109. Which MySQL privilege allows a user to execute "CREATE TABLE" statements?
A. CREATE DATABASE
B. CREATE TABLE
C. CREATE PRIVILEGE
D. CREATE USER
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Answer: CREATE TABLE
110. What is the primary benefit of using stored procedures in MySQL security?
A. Data compression
B. Data encryption
C. Query optimization
D. Reducing SQL injection risk
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Answer: Reducing SQL injection risk
