SQL is a database query language (not a development language) that allows for adding, accessing and managing content in a database. It is the language that allows programmers to perform the common acronym CRUD (Create; Read; Update; Delete) within a database.
Who uses it?
Professions and Industries:
SQL server developers, database testers, software developers, database administrators
Used across industries like Information Technology, Engineering, Design, Management, Professional Servers, Business and Finance
Major Organizations: SQL is used by most companies and organizations that gather data. Examples include Robert Half Technology, Nigel Frank, CyberCoders and UnitedHealthCare.
Specializations Where SQL is Used Most: Data Analysis and Big Data Mining
What makes learning it important?
SQL interacts with the backend database of web application. It is the “de facto standard” database language, always used in conjunction with another programming language. SQL programs are implemented as a way for businesses and organizations to access and manipulate information stored in their databases.
Relational database management systems that use SQL include MySQL (by Oracle), Sybase, Microsoft SQL Server and others.
Free and easily accessible
Where did it start?
SQL was developed at the IBM Research Center in 1974 and originally known as SEQUEL. The first commercial version was introduced in 1979 by ORACLE.