What is a Metadata Repository?
A metadata repository is a database. More specifically it is a database that stores data about other data. Websites use metadata to provide descriptions about the types of data they contain. Metadata may contain things like the browser agents (Mozilla Firefox or Internet Explorer) as well as other pieces of information that describe the items on the page(s). The metadata repository is a way to ensure consistency of metadata. Allowing this data to be stored in a database and referenced by the applications or pages that need it keeps the data consistent. If the metadata is referenced as needed, from a metadata repository, the storage space used to store these descriptions of a sites data will be less as well. A metadata repository, when used appropriately, can allow the data stored about specific web sites, such as those maintained within a single organization, to be consistently searched and made available when the information is needed. Since there is no single metadata repository, the
It is a database which is pre-seeded with schemas to support Oracle Application Server Components and services. A Metadata Repository is required, when you install the following components. – An Identity Management (ODS schema) – A J2EE and Web Cache (DCM schema) – A Portal and Wireless – A Businesses Intelligence and FORMS How to obtain a Metadata Repository: – You can install it as part of an Infrastructure, or – Into an existing database using the Oracle Metadata Repository Creation Assistant (repca) How to change Metadata Repository schema password: This schema stores its password in (OID) Oracle Internet Directory and you must change its password using the oidadmin tool. The method for changing passwords varies by schema. You can view the following passwords using Oracle Internet Directory tools or the Oracle Application Server Control.
