A.v$backup_status B.v$backup C.v$backup_datafile D.v$datafile_backup
A.Oracle Net B.偵聽(tīng)器 C.Oracle連接管理器 D.Oracle數(shù)據(jù)庫(kù)驅(qū)動(dòng)程序
A.commit B.rollback C.savepoint D.goto