This image shows the four possible upgrade paths for upgrading the database that contains your OracleAS Metadata Repository. Each path is based on one of the following scenarios:

• Your OracleAS Metadata Repository database was created automatically during the Release 2 (9.0.2) or 10g (9.0.4) installation. In this case, you can upgrade the database automatically using the 10g Release 2 (10.1.2) installation procedure. Then, you can run MRUA to upgrade the OracleAS Metadata Repository schemas within the database.

• You used OracleAS Metadata Repository Creation Assistant to create the OracleAS Metadata Repository in an Oracle9i (9.0.1.5) or earlier database. In this case, you must use the standard database upgrade procedures to upgrade the database to Oracle9i Release 2 (9.2.0.6). This involves installing the new Oracle9i Release 2 (9.2.0.6) database in a new Oracle home, applying the Oracle9i Release 2 (9.2.0.6) patchset, and using the Database Upgrade Assistant to upgrade the database before you can run MRUA.

• You used OracleAS Metadata Repository Creation Assistant to create the OracleAS Metadata Repository in a Oracle9i Release 2 (9.2.0.4) database. In this case, you must apply a database patchset to upgrade the database to a supported version before you run MRUA.

• You used OracleAS Metadata Repository Creation Assistant to create the OracleAS Metadata Repository in a Oracle Database 10g (10.1.0.2) database. In this case, you need to upgrade the database to a supported Oracle Database 10g database.