COMPUTER SCIENCE AND ENGINEERING
SQL
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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DDL
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DML
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DCL
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None
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Detailed explanation-1: -Data definition language (DDL) creates the framework of the database by specifying the database schema, which is the structure that represents the organization of data.
Detailed explanation-2: -DDL (Data Definition Language): DDL commands are those that can be used to define the database schema. It consists of metadata of the database schema and also create and modify the structure of the various objects within the database.
Detailed explanation-3: -DDL (Data Definition Language) : Data Definition Language is used to define the database structure or schema. DDL is also used to specify additional properties of the data.
Detailed explanation-4: -Concept: A database system provides a data-definition language (DDL) to specify the database schema Example of DDL commands: CREATE, DROP, ALTER etc. Explanation: The ALTER TABLE statement is used to add, delete, or modify columns in an existing table.