php - How to get records from the table which is not available in other table? -


i have 2 tables namely roominfo , guestrecordtransac...roominfo containd room_id,room_no , roomtype fields whereas guestrecordtransac contains id,roomtype,roomno ,checkindate ,checkoutdate fields

i tried this

    select room_no roominfo room_no not in (select roomno guestrocordtransac roomtype='".$roomtype."' between '".$check_in."'  , '".$check_out."' ) , roomtype='".$roomtype."'

i want room_no roominfo of particular type , not between date of checkin andd checkout

(your question not clear, try give information more clearly)

i think require/asking :

select room_no roominfo room_no not in (select roomno guestrocordtransac roomtype='".$roomtype."'  , curdate() between '".$check_in."'  , '".$check_out."`'

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