SELECT E.EMPLOYEE_ID, E.LAST_NAME, D.DEPARTMENT_ID, D.DEPARTMENT_NAME FROM HR.EMPLOYEES E LEFT OUTER JOIN HR.DEPARTMENTS D ON E.DEPARTMENT_ID = D.DEPARTMENT_ID SELECT E.EMPLOYEE_ID, E.LAST_NAME, D.DEPARTMENT_ID, D.DEPARTMENT_NAME FROM HR.EMPLOYEES E ,HR.DEPARTMENTS D WHERE E.DEPARTMENT_ID= D.DEPARTM Read More
posted @ 2011-08-07 12:06 庚武 Views(345) Comments(0) Diggs(0) Edit