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SQL stands for Structured Query Language, a computer programming language. This is a specialized type of language that is often used to retrieve data from RDDMS, or a relational database management system. Because of this, it is also used as a standard language to update or gather data from an existing information database.

A unique feature of SQL is its ability for a database programmer to create and modify an SQL database schema. At the same time, it also allows easy control and management over a database object. Unlike the C or BASIC (Beginner’s All-Purpose Symbolic Instruction Code) programming language, SQL is a set-based language. Aside from that, it is also a declarative query language that have additional extensions. These extensions make the language more functional and powerful.

SQL is further divided into different language elements. These include the statements that have an effect on both the data and the schema, the queries that have the ability to retrieve the data, the expressions that are designed to produce tables or scalar values, the predicates that are used to specify the conditions, the clauses that are the main components of both queries and statements, the whitespace that is used for formatting the SQL code, and the semicolon statement that is a part of the SQL grammar.

SELECT is the most commonly used keyword in an SQL database. It is a type of query that retrieves data stored in a table from a database. However, SELECT can only be used to retrieve data and has no standard effect on the stored data.

The only problem that most critics think of SQL is that it is not that easy to configure on other operating systems. This is probably the reason why some systems do not use this type of database, aside from it being quite complex and large in its file size. In spite of those criticisms, SQL still remains to be one of the popular databases management systems being used today. Its flexibility and manageability in handling data is very efficient too.