SQL
SQL is the industry-standard language for interacting with relational databases. Developed in the 1970s and standardized by ANSI and ISO, SQL supports querying, updating, inserting, and deleting data across structured tables. It includes sublanguages such as DDL (Data Definition Language), DML (Data Manipulation Language), DCL (Data Control Language), and TCL (Transaction Control Language).
SQL statements—also known as queries—allow users to manage database objects, create stored procedures, and ensure data integrity. Widely used in web development, analytics, and enterprise systems, SQL is known for its readable syntax and robust capabilities. It plays a key role in backend development, data analysis, and business intelligence workflows.
SQL works with various database systems like MySQL, PostgreSQL, Oracle, and SQL Server. Despite dialect differences, most systems follow core SQL standards. Its strong community and extensive documentation make SQL essential for developers and data professionals alike.
SQL statements—also known as queries—allow users to manage database objects, create stored procedures, and ensure data integrity. Widely used in web development, analytics, and enterprise systems, SQL is known for its readable syntax and robust capabilities. It plays a key role in backend development, data analysis, and business intelligence workflows.
SQL works with various database systems like MySQL, PostgreSQL, Oracle, and SQL Server. Despite dialect differences, most systems follow core SQL standards. Its strong community and extensive documentation make SQL essential for developers and data professionals alike.
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