The classification of Oracle-02:sql language or the composition of SQL language

Source: Internet
Author: User

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Summary One version:

The database definition language for theLanguageDDL(data definition) .

Used to create various objects in the database. such as tables, views, indexes, synonyms, and so on.

Create drop truncate ALTER

DQL(data query Language) querying language .

Select where group by have order by

The.DML(datamanipulation Language) Manipulation language .

Insert Update Delete

TheDCL(Data Control Language) controls language .

Grant REVOKE rollback COMMIT

The classification of Oracle-02:sql language or the composition of SQL language

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