Data query language: Difference between revisions

Revision as of 18:08, 29 March 2023

Revision as of 20:08, 29 March 2023

Line 5:

DQL statements are used for performing queries on the data within schema objects. The purpose of DQL commands is to get the schema relation based on the query passed to it.

Although often considered part of DML, the SQL [[Select (SQL)|SELECT]] statement is strictly speaking an example of DQL. When adding FROM or WHERE data manipulators to the SELECT statement the statement is then considered part of the DML.{{cn|date=March 2023}}

==Related language types==