So, it'd be...
SELECT DISTINCT(REP_NUM, LAST_NAME, FIRST_NAME)
FROM REP
WHERE REP.REP_NUM = CUSTOMER.REP_NUM
AND CUSTOMER.CREDIT_LIMIT = '$10,000'
?
looks pretty good to me.
So, it'd be...
SELECT DISTINCT(REP_NUM, LAST_NAME, FIRST_NAME)
FROM REP
WHERE REP.REP_NUM = CUSTOMER.REP_NUM
AND CUSTOMER.CREDIT_LIMIT = '$10,000'
?
looks pretty good to me.