Which SQL sublanguage is used to create and modify the database structure?

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Multiple Choice

Which SQL sublanguage is used to create and modify the database structure?

Explanation:
Data Definition Language is used to create and modify the database structure. It covers commands that define or change schema objects like databases, tables, views, and indexes—examples include CREATE, ALTER, and DROP. This is distinct from handling the actual data inside those structures (that’s DML: INSERT, UPDATE, DELETE, SELECT) and from controlling access rights (that’s DCL: GRANT, REVOKE). DRL isn’t used for defining or altering schemas. So the structure-building and modification task is the realm of DDL.

Data Definition Language is used to create and modify the database structure. It covers commands that define or change schema objects like databases, tables, views, and indexes—examples include CREATE, ALTER, and DROP. This is distinct from handling the actual data inside those structures (that’s DML: INSERT, UPDATE, DELETE, SELECT) and from controlling access rights (that’s DCL: GRANT, REVOKE). DRL isn’t used for defining or altering schemas. So the structure-building and modification task is the realm of DDL.

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