The DBMS_METADATA package
The DBMS_METADATA package was introduced in Oracle 9i. The API enables the extraction of object metadata from database dictionaries that can be optionally manipulated and re-executed on a database server. The package is owned by SYS whose public synonym is used by all users. A user with SELECT_CATALOG_ROLE can directly access the DBMS_METADATA package.
Note
DBMS_METADATA is a key enabler of metadata export functionality in Data Pump
The package pulls the object's metadata in XML form from the database dictionary and provides transform handlers to build it in the desired form. The formatted XML can then be re-executed in the database.
DBMS_METADATA data types and subprograms
As we said earlier, the DBMS_METADATA package uses ...
Get Advanced Oracle PL/SQL Developer's Guide - Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
