use HR
SELECT EMPLOYEE_ID,LAST_NAME,JOB_ID,SALARY


FROM EMPLOYEES
WHERE SALARY>=10000

AND JOB_ID LIKE '%MAN%' -- AND İLE TÜM KOSULLAR SAĞLANIRSA GELİR--

SELECT EMPLOYEE_ID,LAST_NAME,JOB_ID,SALARY
FROM EMPLOYEES
WHERE SALARY>=10000

OR JOB_ID LIKE '%MAN%' -- OR İLE KOŞULUN HERHANGİ BİRTANESİ SAĞLANIRSA GETİRİR--