SELECT hn,cid,pname,fname,lname,sex,DATE_FORMAT(birthday,'%Y%m%d') AS birthday,
marrystatus,occupation,addrpart,moopart,chwpart,amppart,tmbpart,concat(fathername," ",fatherlname) AS fathername,
concat(mathername," ",motherlname) AS mothername,pttype.pcode
FROM patient
LEFT OUTER JOIN pttype ON patient.pttype=pttype.pttype