MySQL Interview Questions

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Table of Contents

• MySQL Queries
• MySQL Basics
• MySQL Engines
• MySQL Stored Routines
• MySQL Transaction
• MySQL Triggers
• MySQL View
• RDBMS Questions

Q. What are indexes in a Database? What are the types of indexes?

Q. What are the different tables present in MySQL?

Q. What are the technical features of MySQL?

Q. Explain SELECT, LIKE, IN, Regular-Expression, Datatypes, Sub-Query in mySQL?

Q. Explain JOIN Query in mySQL?

Q. Explain Stored Procedure, View, Event, triggers in mySQL?

Q. Explain Transaction in mySQL?

Q. What is difference between procedures and triggers?

Q. How do you find third highest salary?

Q. How to prevent from database attacks/SQL Injection?

Q. How many TRIGGERS are possible in MySql?

Q. What are Heap tables?

Q. What is the difference between BLOB AND TEXT?

Q. Explain advantages of MyISAM over InnoDB?

Q. What are the differences between MySQL_fetch_array(), MySQL_fetch_object(), MySQL_fetch_row()?

Q. How to find the unique values if the value in the column is repeated?

Q. Define REGEXP?

Q. Difference between CHAR and VARCHAR?

Q. Give string types available for column?

Q. What are the nonstandard string types?

Q. What are all the Common SQL Function?