Failed RMAN Catalog Upgrade from 11.2.0.2 to 12.1.0.2 （ ORA-02296 RMAN-06004 ）
FailedRMANCatalogUpgradefrom11.2.0.2to12.1.0.2（ORA-02296RMAN-06004）由于后期使用12c的数据库，需要对现有catalog库升级。结果悲剧了。RMAN>upgradecatalog;errorcreatingmodify_bcf_pdb_key_not_nullRMAN-00571:==========================