select tow table oracle : Please help

I am I have two tables
EMPLOYEE, DEPARTMENT

Table DEPARTMENT

There are fields in which

    DEPARTMENT_ID DEPARTMENT_NAME MANAGER_ID LOCATION_ID


EMPLOYEE table

There are fields in which

    EMPLOYEE_ID
    FIRST_NAME
    LAST_NAME
    EMAIL
    PHONE_NUMBER
    HIRE_DATE DATE
    JOB_ID
    SALARY
    COMMISSION_PCT
    MANAGER_ID
    DEPARTMENT_ID


When the desired number appears DEPARTMENT_ID chose me EMPLOYEE_ID

     

    > FIRST_NAME
    >      LAST_NAME
    >      EMAIL
    >      PHONE_NUMBER
    >      HIRE_DATE DATE
    >      JOB_ID
    >      SALARY
    >      COMMISSION_PCT
    >      MANAGER_ID
    >      DEPARTMENT_ID