iteye_21010的博客

http://lanmh.iteye.com/blog/465293

alter　table　emp add　constraint　fk_emp_dept　foreign　key(dept)　references　dept(deptno)　on　delete　set　null;alter　table　emp add　constraint　fk_emp_dept　foreign　key(dept)　references　dept(deptno)　on　delete...

http://www.iteye.com/topic/28707

启动print spooler服务

解决方法如下：=========================================================SQL> select session_id from v$locked_object;SESSION_ID----------       56SQL> SELECT sid, serial#, username, osuser FROM v...

http://wenku.baidu.com/view/85ecc944b307e87101f696ca.html