Master Note: Overview of Oracle Data Dictionary
(Doc ID 1500058.1)
Last updated on MARCH 12, 2021
Oracle Database - Enterprise Edition - Version 22.214.171.124 and later Oracle Database Exadata Cloud Machine - Version N/A and later Oracle Cloud Infrastructure - Database Service - Version N/A and later Oracle Database Cloud Exadata Service - Version N/A and later Oracle Database Exadata Express Cloud Service - Version N/A and later Information in this document applies to any platform.
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The Oracle Data Dictionary provides the basis for the database, and must be created for the database to be able to function correctly and perform it's tasks. It consists of a read-only collection of database tables and views containing reference information about the database, its structures, and its users.
The purpose of this Document is to provide an overview of the Oracle Data Dictionary. This note will help customers have a better understanding of the Oracle Data Dictionary.
This is a LIVE document. Work is in progress to improve the quality of the content.
This document applies to the Data Dictionary in a non RAC environment This note does not discuss any additional features/options installed in the database
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