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Difference between DB name, DB global name, DBID and SID (Doc ID 1277854.1)

Last updated on FEBRUARY 02, 2022

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Goal

Q. What's a DBID? 
Q. What's a DB Name?
Q. What's a SID?
Q. What's a Database global name?
Q. Is it possible to change only DBID without changing DB name?
Q. Is it possible to have a database with a DB name that is different from SID?
Q. What's DB_UNIQUE_NAME, and what's the difference between DB_UNIQUE_NAME and database global name?

Solution

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In this Document
Goal
Solution
References


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