弦上爱的专栏

rem 先用sys账号到pl/sql或toad里执行 rem 建立目录变量路径 rem create or replace directory backdir as 'f:\orclBak\expdp'; rem 注意,磁盘上有要相应的目录路径 rem 赋于读写权限给zjgl5用户 rem grant read,write on directory backdir to zjgl5;