SQL is a special-purpose programming language designed for managing data in a relational database, and is used by a huge number of apps and organizations.
Structured query language (SQL) is the language of databases. Whether you run reports or provide a dynamic website, you need to know SQL to add, delete, edit and view records. Databases organize and collect your data, and the SQL language is the liaison between you and the data. The role of database administrator includes several functions that you should know. You should know how to create and design tables, manipulate your data and run reports, create small programs (stored procedures) and use more advanced concepts such as transactional support and cursors.