Text: SELECT COUNT(1) 此时需要给用户赋查询权限(于是产生了ORA-02030错误) SQL> show user; User is "SYS" SQL> grant select on v$client_stats to zhangbin; grant select on v$client_stats to zhangbin ORA-02030: 只能从固定的表/视图查询 解决方法: SQL> select * from dba_synonyms t where t...