What is the database language responsible for data schema definition in a database management system?

#In a database management system, the language responsible for data schema definition is the data definition language.

Database languages ​​include data definition language, data manipulation language and data control language. These languages ​​can complete all activities in the database life cycle. The language responsible for data schema definition is the data definition language.

Data definition language is responsible for creating, modifying, deleting objects such as tables, indexes, views, functions, stored procedures and triggers; data manipulation language is responsible for inserting, modifying, deleting and other operations of data in the database; data Control language used to grant and revoke user permissions.

Data Definition Language (DDL) is a language responsible for data structure definition and database object definition in the SQL language. It consists of three syntaxes: CREATE, ALTER and DROP.

The above is the detailed content of What is the database language responsible for data schema definition in a database management system?. For more information, please follow other related articles on the PHP Chinese website!