Oracle 10G重建EM DB Control

1.drop configuration files and repository run :?

????emca -deconfig dbcontrol db -repos drop

2. Logon SQLPLUS as user SYS or SYSTEM, and drop the sysman account and mangement objects:

??? a.?drop user sysman cascade;?
??? b.?drop role MGMT_USER;

??? c.?drop user MGMT_VIEW cascade;?
??? d.?drop public synonym MGMT_TARGET_BLACKOUTS;

??? e.?drop public synonym SETEMVIEWUSERCONTEXT;

3.Create configuration files and repository run

????emca -config dbcontrol db -repos create

创建EM时,提示的端口号,应为