SQL
Top 10 SQL Query Concepts for Job Interview
If you are preparing for the software developer job, here is the list of SQL concepts you must know. In interview, interviewer can ask you to describe any of the basic SQL...
SQL Join (Inner, Left, Right, Full) with Example
In the earlier tutorial, we have seen all the basic SQL commands. In this tutorial, we are going to learn SQL join operations for combining multiple tables. The join clause is...
Important MySQL Commands | How to Use MySQL Explained with Examples
Do you want to learn MySQL programming? This is a complete tutorial where you will learn to create MySQL tables, inserting values into the tables and selecting values from the...
Difference Between CHAR and VARCHAR and VARCHAR2
CHAR and VARCHAR are the two widely used data types in the SQL language and database storage. Both of the types are used to store the character string in the database table....
Select SQL Command | Aggregate Functions with Example
The most important part of Database Management is the retrieval of the correct data in the most efficient way. The query for data retrieval is the select SQL command. This...