This article is about statements in a SQL context.
In SQL, there are 4 types of statements:
Type | Example |
---|---|
DDL - Data Definition Language | Data Dictionary manipulation (create, alter, …) |
DML - Data Manipulation Language | insert, update, … |
QUERY - Select | select |
TCL - Transaction control | commit, rollback |
Oracle uses also the following names:
They are stored in a write ahead log.