Question

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I’m getting results like below

PID is repeated here, 2 rows are displaying 1 patient (john)

I have to display only 1 row for patient_name (john)
i have to display one row for patient john if he have multiple visits on the same date or any other date..

Answer 1

Showing one row per patient – and his/her last visit date:

SELECT 
    Patient_Master.PID, 
    Patient_Master.Patient_ID,
    Patient_Master.Patient_Name,
    Patient_Master.Sex,
    Patient_Master.Patients_Birth_Date,
    Patient_Last_Visit.Visit_Date 
FROM 
    Patient_Master 
  LEFT JOIN
    ( SELECT 
          PID,
          MAX(Visit_Date) AS Visit_Date
      FROM
          Patient_Visit
      GROUP BY
          PID 
    ) AS Patient_Last_Visit
        ON Patient_Master.PID = Patient_Last_Visit.PID 
ORDER BY 
    Patient_Master.Patient_Name