摘要：
emca -deconfig dbcontrol dbemca -repos dropset ORACLE_HOSTNAME={localhost or hostname or ip}emca -config dbcontrol db -repos create当提示“SYSMAN already exists”错误，用sysdba权限执行一下sql：drop user sysman cascade;drop role MGMT_USER;drop user MGMT_VIEW cascade;drop public synonym MGMT_TARGET_BLACKOUTS;drop pub 阅读全文