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What is the full form of SQL?

Full form of SQL: Here, we are going to learn about the SQL, full form of SQL, overview, history, applications, advantages, and disadvantages.
Submitted by Anushree Goswami, on November 23, 2019

SQL: Structured Query Language

SQL is an abbreviation of Structured Query Language. It is a programming language developed and designed for handling structured data in Relational Database Management System.

In the beginning, it was called a SEQUEL which is abbreviated by the full form Structured English Query Language developed for addition, updation or removal of data from inside the database. Afterward, it changed its name and called a Structured Query Language (SQL).

SQL full form


SQL from the beginning originated based on Relational Algebra and Tuple Relational Calculus. In the initial 1970s, SQL was designed and created by Donald D. Chamberlin and Raymond F. Boyce at IBM. It was created for operating and recovering data stored in the actual quasi-relational database management system of IBM. Although in June 1979, the first commercial execution of SQL was launched by Relational Software for VAX computers. The standard "Database Language SQL" language definition was officially approved by standard groups ANSI and ISO in 1986.

Applications of SQL

  • In writing Data Integration Scripts.
  • In operating analytical queries.
  • In retrieving information.
  • In the modification of mark designs and database table.


There are various advantages of Structured Query Language which are given in the following points,

  • There is no requirement to write a considerable amount of code by using the standard SQL, and that makes it very easy to handle the database systems.
  • Standards that are well stated and long-established are used by the SQL databases that are actually used by ISO and ANSI. NoSQL databases do not attach to any standards.
  • SQL can be used in the program in computer systems, servers, laptops, and even in a few smartphones.
  • SQL is an interactive domain language that can be used for sharing or exchanging information with the databases and in seconds be to give answers to the complicated questions.
  • SQL language can help the users to make multiple views of database structure and databases for distinct users.


There are some disadvantages also of Structured Query Language which are given in the following points,

  • SQL has a complicated interface that makes it complex to access for some users.
  • In SQL, because of the hidden business rules, the programmers who use SQL don't have complete command over the database.
  • To ensure vendor lock-in, some of the databases move from proprietary extensions to standard SQL.
  • The operating value price of some SQL versions is so costly that it makes it strenuous for some programmers to access it.

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