Technologies Coding Problems Bookmarks Learning Paths

Technologies Coding Problems Bookmarks Learning Paths

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What is Mysql? | Basics | mysql Interview Questions | NextRound.in

Questions

1 of 1

1What is Mysql?

mysql

Functions and Operators

01 / 01

What is Mysql?

Difficulty: 4/10

relational database, SQL dialect, storage engine

MySQL is an open-source relational database management system (RDBMS) that is widely used for managing structured data. It utilizes SQL (Structured Query Language) for querying and managing data. MySQL is known for its reliability, scalability, and performance, making it a popular choice for various applications

Scenario Questions

0-2 years experience

1You need to add a new table to store user profiles in an existing MySQL database. Walk me through the steps you’d take from schema design to writing the CREATE statement.
2If a SELECT query you wrote returns duplicate rows unexpectedly, what MySQL clause would you add to eliminate duplicates?

2-5 years experience

1Our service started returning 'MySQL server has gone away' errors under load. How would you investigate and resolve the issue?
2We need to add a new feature that logs user activity, but the existing MySQL tables are approaching their row limit. What options would you consider to handle growth?

5-8 years experience

1Design a high‑availability MySQL setup for a global e‑commerce platform that must handle read‑heavy traffic and tolerate zone failures. Discuss replication, failover, and read‑write splitting.
2Our reporting queries are causing lock contention on the primary MySQL instance. How would you redesign the data access pattern or schema to reduce impact?

8+ years experience

1We are planning to migrate a legacy monolithic application from MySQL 5.6 to a cloud‑native, multi‑region architecture using MySQL 8.0 and Aurora. What architectural considerations and migration steps would you outline to ensure data integrity and minimal downtime?
2Your organization wants to standardize data storage across teams, but some services need strong consistency while others prioritize availability. How would you position MySQL within a polyglot persistence strategy, and what guidelines would you set for its use?

Follow-up Questions

Can you describe how MySQL implements ACID guarantees?
What are the trade‑offs between InnoDB and MyISAM?
How does MySQL replication work at a high level?

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