#全库备份 exp mminfo/123456 buffer=64000 inctype=complete file=c:\mminfo.dmp log=c:\mminfo.log #用户备份：用户mminfo下的所有表 exp mminfo/123456 buffer=64000 owner=mminfo file=c:\mminfo.dmp log=c:\mminfo.log #表备份：备份用户(mminfo)下的单个表(t_unit) exp mminfo/123456 buffer=64000 tables=(mminfo.t_unit) file=c:\mminfo.dmp log=c:\mminfo.log #全库还原-存在同样的表需要删除 imp mminfo/123456 buffer=64000 full=y file=c:\mminfo.dmp log=c:\mminfo.log fromuser=mminfo touser=mminfo_bak #用户还原：用户mminfo下的所有表 -存在同样的表需要删除 imp mminfo/123456 buffer=64000 ignore=y file=c:\mminfo.dmp log=c:\mminfo.log fromuser=mminfo touser=mminfo_bak #表还原：还原用户(mminfo)下的单个表(t_unit) -存在同样的表需要删除 imp mminfo/123456 buffer=64000 ignore=y tables=(t_unit) file=c:\mminfo.dmp log=c:\mminfo.log fromuser=mminfo touser=mminfo_bak