Запрос
(SELECT
pid,
visitdate,
GROUP_CONCAT(tooth, ' - ', problem, ' - ', recomendation SEPARATOR ', <br>')
FROM tbl_finds_d) V
WHERE V.pid='1' AND V.visitdate = '16-03-2020'
ТАБЛИЦА Хотите получить ГДЕ pid = 1 И посещение = 16-03-2020
pid visitdate tooth problem recomendation
1 16-03-2020 13 ASX DFFF
1 16-03-2020 12 JHJ HJLP
2 12-03-2020 14 JKB IJLHJ
ОБНОВЛЕНИЕ (скопировано из комментария)
SELECT *
FROM pendingtreatment A
INNER JOIN tbl_finds_m B ON B.pid = '$pid'
AND B.visitdate = '$visitdate'
INNER JOIN treatmentadviced C ON C.pid = '$pid'
AND C.visitdate = '$visitdate'
INNER JOIN treatmentlist D ON D.pid = '$pid'
AND D.visitdate = '$visitdate'
INNER JOIN tbl_appointments E ON E.pid = '$pid'
AND E.visitdate = '$visitdate'
INNER JOIN ( SELECT pid,
visitdate,
GROUP_CONCAT(tooth, ' - ', problem, ' - ', recomendation SEPARATOR ', <br>')
FROM tbl_finds_d V
WHERE V.pid='$pid'
AND V.visitdate = '$visitdate') F
WHERE A.pid = '$pid'
AND A.visitdate = '$visitdate'