摘要： 1、用户查看当前用户的缺省表空间：SQL>select username,default_tablespace from user_users;查看当前用户的角色：SQL>select * from user_role_privs;查看当前用户的系统权限和表级权限SQL>select * from user_sys_privs;SQL>select * from user_... 阅读全文