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Structured Query Language (SQL)

What is Structured Query Language (SQL)?

SQL is a programming language used to manage data stored in relational databases. It is used to create, update, delete, and retrieve data from a database. SQL is a standard language for interacting with relational databases, and is used by many popular database management systems such as Oracle, Microsoft SQL Server, and MySQL.

Why is SQL important?

SQL is the standard language used to communicate with databases. It is used to create, update, and delete data in a database, as well as to query and manipulate data. SQL is used in a wide variety of applications, from web applications to data warehouses. It is a powerful and versatile language that allows users to quickly and easily access and manipulate data.

How can I use SQL?

SQL is a programming language used to manage data stored in relational databases. It can be used to create, update, delete, and query data. To use SQL, you must first create a database and then create tables within the database. Once the database and tables are created, you can use SQL statements to manipulate the data. Common SQL statements include SELECT, INSERT, UPDATE, DELETE, and CREATE.

Brief history of SQL

SQL is a standard programming language used for managing relational databases. It was first introduced by IBM in the 1970s as a part of System R project. Over the years, SQL has become the dominant language for relational database management and is now supported by various relational database management systems such as Oracle, Microsoft SQL Server, MySQL, and PostgreSQL. SQL is used to insert, update, and delete data in a database, as well as to retrieve data through the use of queries. Today, SQL is an essential tool for working with data in a variety of industries and applications.

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