谢谢。 可是我执行 SELECT sid, serial# FROM v$session WHERE username='sys';后却提示: ---------------------------------------------------------------------------------SQL> select sid,serial# from v$session where username='sys';未选定行----------------------------------------------------------------------------------请问这又是什么意思?
可是我执行 SELECT sid, serial# FROM v$session WHERE username='sys';后却提示:
---------------------------------------------------------------------------------SQL> select sid,serial# from v$session where username='sys';未选定行----------------------------------------------------------------------------------请问这又是什么意思?