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A lot of times, a database administrator would require to fetch data from two tables where they have something in common. In this case, you will have...
Data Query Language (or simply DQL) consists of commands that perform data selection, which is the main focus of relational database users in the...
Data Manipulation Language (or simply DML) consists of SQL commands that handle data maintenance functions. This means that you can manipulate the...
In this post, we shall gain an understanding of the commands in DDL using CREATE, ALTER, and DROP. CREATE CREATE Statement The numerous forms of the...
Database Definition A database is an instance where we store files/records/data. The purpose of a database is to help people keep track of things. The...
Definition and History SQL pronounced ess-que-el or see-quel is short for Structured Query Language is a computer language initially invented by an...
