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Relational databasemysql interview questions and answers

Software Development

07 Jan, 2025

Most Frequently asked MySQL Interview Questions and Answers

A deadlock in MySQL occurs when two or more transactions are blocked, each waiting for the other to release locks on resources (such as rows or tables). This creates a circular dependency, where no transaction can proceed because each transaction is holding a lock that the others need.

Software Development

07 Jan, 2025

MySQL Interview Questions and Answers for 2025

A subquery in MySQL is a query nested inside another query. It allows you to perform a query within the context of another query, often to retrieve data that will be used in the outer query. Subqueries can be used in the `SELECT`, `INSERT`, `UPDATE`, or `DELETE` statements and can help with complex queries where a direct comparison or condition is needed.

Software Development

07 Jan, 2025

Top MySQL Interview Questions and Answers for 2025

In MySQL, a storage engine is responsible for how data is stored, retrieved, and manipulated in the database. MySQL supports several storage engines, each designed for different use cases and offering specific features. The storage engine determines things like data integrity, speed, transaction support, and indexing.