160+ Mysql MCQ With Online Practice Test

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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.

91. What is the primary goal of High Availability (HA) in MySQL?

Answer: Ensuring continuous availability

92. Which type of replication in MySQL is asynchronous by default?

Answer: Master-Slave replication

93. What is the primary benefit of Group Replication in MySQL?

Answer: Fault tolerance

94. In MySQL, which role is responsible for accepting write operations in a Master-Slave replication setup?

Answer: Master

95. What is the purpose of the binary log in MySQL replication?

Answer: Recording changes to data

96. Which replication mode in MySQL allows data to flow in multiple directions between servers?

Answer: Bidirectional replication

97. What is the purpose of the Delayed Replication feature in MySQL?

Answer: To introduce an intentional delay

98. What is the primary advantage of using Semi-Synchronous replication in MySQL?

Answer: Reduced network traffic

99. Which MySQL replication mode is designed for high write-intensive workloads?

Answer: Group replication

100. What is GTID in MySQL replication?

Answer: Global Transaction Identifier
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