ORACLE创建用户

/第1步：创建临时表空间 / create temporary tablespace user_temp tempfile ‘D:\oracle\oradata\Oracle9i\user_temp.dbf’ size 50m autoextend on next 50m maxsize 20480m extent management local;

/第2步：创建数据表空间 / create tablespace user_data logging datafile ‘D:\oracle\oradata\Oracle9i\user_data.dbf’ size 50m autoextend on next 50m maxsize 20480m extent management local;

/第3步：创建用户并指定表空间 / create user username identified by password default tablespace user_data temporary tablespace user_temp;

/第4步：给用户授予权限 / grant connect,resource,dba to username;

删除用户下面的所有对象，注意关键字cascade drop user xxx cascade; 删除表空间 drop tablespace xxx INCLUDING CONTENTS;