In Oracle, Oracle Multimedia (formerly known as Oracle interMedia) is a feature to store, manage, and retrieve images, audio, video, DICOM format medical images and other objects, or other heterogeneous media data integrated with other enterprise information
ORDSYS -The Oracle Multimedia administrator account
ORDDATA - this account contains the Oracle Multimedia DICOM data model
ORDPLUGINS-The Oracle Multimedia user. Plug-ins supplied by Oracle and third-party, format plug-ins are installed in this schema
SI_INFORMTN_SCHEMA - The account that stores the information views for the SQL/MM Still Image Standard
Multimedia is deprecated in 18c. But it's still supported in this release , That said, start looking to migrate off Multimedia functionality you're using. Storing images as (securefile) BLOBs is the way to go. ou could use BFILEs. Though with these the files live outside the database
The following advice was given to me by Oracle Support services, to determine if either of these components are being used in the database
-- Is Multimedia being used?
set serveroutput on;
@?/ord/im/admin/imremchk.sql
If you're not using this component, you will get the message returned "Oracle Multimedia is not being used".
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