“Usando o grupo na tabela de junção mysql” Respostas de código

Usando o grupo na tabela de junção mysql

SELECT q.* FROM (
SELECT patient . * , visit.uid AS visit_uid
FROM patient
LEFT JOIN visit ON patient.uid = visit.patient_id
ORDER BY visit_uid DESC 

) q GROUP BY q.uid ORDER BY q.visit_uid DESC 

LIMIT 0 , 10