oracle数据库备份
exp smeimp/superb2017@orcl file=c:\backup\smeimp.dmp owner=smeimp log=c:\backup\smeimp.dmp.log
imp smeimp_01/superb2017@orcl fromuser=smeimp touser=smeimp_01 file=f:/upload/smeimp.dmp log=f:/upload/smeimp.imp.log
CREATE USER smeimp_tt_0620 IDENTIFIED BY superb2017;
GRANT CONNECT,RESOURCE,DBA TO smeimp_tt_0620;