Top 10 MySQL Interview Questions and Answers

Top 10 MySQL Interview Questions and Answers

Today, We want to share with you Top 10 MySQL Interview Questions and Answers.
In this post we will show you Top MySql Interview Questions And Answers, hear for Basic & Advanced MySQL Interview Questions with Answers we will give you demo and example for implement.
In this post, we will learn about MySql Interview Questions And Answers with an example.

What is MySQL?

MySQL is an one type of open source DBMS which is built, supported function and distributed by MySQL AB (now acquired by Oracle)

Give List of string types available for column?

There are List of string types:
SET
BLOB
ENUM
CHAR
TEXT
VARCHAR

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What are the drivers in MySQL?

There are Following the drivers available in MySQL:

  • PHP Driver
  • JDBC Driver
  • ODBC Driver
  • C WRAPPER
  • PYTHON Driver
  • PERL Driver
  • RUBY Driver
  • CAP11PHP Driver
  • Ado.net5.mxj

In which language MySQL is written?

MySQL is written in C programming and C++ programming and it is a SQL parser is written in “yacc”.

How many Triggers are possible in MySQL?

There are only six Triggers available in MySQL.

  • Before Insert
  • After Insert
  • Before Update
  • After Update
  • Before Delete
  • After Delete

What is a trigger in MySQL?

A trigger is a basic set of codes(package) that executes in response to some events generated.

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How to get the current date in MySQL?

    SELECT CURRENT_DATE(); 
//Write a query to display current date and time?
   SELECT NOW();  	

What is MySQL default port number?

MySQL default port number “3306”.

different column comparison operators in MySQL?

=,
<>, 
<=, 
<,
>=,
>, 
<<,
>>,
< = >,
AND,
OR, 
LIKE 

How do you get the number of rows?

SELECT COUNT (user_id) FROM users

What are the storage models of OLAP?

MOLAP,
ROLAP,
HOLAP

What are the objects you can use with CREATE statement?

  • DATABASE
  • TABLE
  • TRIGGER
  • USER
  • VIEW
  • EVENT
  • FUNCTION
  • INDEX
  • PROCEDURE

View Demo

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