SQL stands for Structure Query Language. SQL statements which are also known as queries are used to retrieve, manipulate and access data from the database stored in a tabular form. It is known to be the most widely used language to work with databases. It is easy to learn. It helps to manage data effortlessly, efficiently and rapidly.
Some commonly used SQL statements are SELECT, UPDATE, INSERT, and WHERE. Some advanced features of SQL are GROUP BY, JOIN, Triggers, Stored procedures, Customer Table Expression (CTE) etc.
There are so many Database Managemnet system to perform SQL queries such as Oracle, MongoDB, MySQL, MS- SQL, PostgreSQL etc.