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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.

Among these elements, the most common queries to an SQL database is the SELECT declarative keyword. This keyword is used to retrieve data from tables and various SQL database sources. However, this keyword does not have any standard effect on stored data.

SQL databases are quite complex and difficult to understand at first, but it can be a very effective in manipulating data in your database. If want to learn more about this type of database, there are a lot of resources online that you can use for free.

About: SQL is a set-based language. It is also a declarative query language with additional extensions. Tips for SQL Database

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