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Master Note: Overview of Oracle Data Definition Language (DDL) (Doc ID 1501399.1)

Last updated on NOVEMBER 29, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 8.1.5.0 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Purpose

Data definition language (DDL) statements define, structurally change, and drop schema objects.

The purpose of this Document is to provide an overview of Oracle Data Definition Language (DDL).

This is a LIVE document. Work is in progress to improve the quality of the content.

Scope

This document applies to a single instance environment.

Details

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In this Document
Purpose
Scope
Details
 Concepts
 Data Definition Language (DDL) Statements
 How Oracle Database Processes DDL
 Automatic Locks in DDL Operations
 Exclusive DDL Locks
 Share DDL Locks
 Breakable Parse Locks
 Specifying the DDL Lock Timeout (in 11.1 and higher)
References

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