Oracle XML DB is a component of the Oracle database. Oracle Database installations include Oracle XML DB by default. Therefore, the first step is to verify whether Oracle XML DB is already installed.
If you are a developer, you can perform a simple three-step check of the XML DB installation.
You can query DBA_REGISTRY to verify whether XML DB and its related components are loaded to the Oracle database (check_xmldb_registry.sql):
column comp_name format a20
column status format a10
column version format a10
where comp_name in (‘Oracle XML Database’, ‘Oracle XDK’, ‘Oracle Text’);
The following ...