#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