-2
在下面的查询来算,我们指望有多少次,患者没有显示在过去的约会。现在,我们只想要当年的计数。我没有成功获得这部分。我已输入WHERE area WHERE year(vwgenpatapptinfo) = 2016
,但未被接受。每年增加每节患者预约
SELECT Distinct vwGenPatApptInfo.Appt_DateTime, vwGenPatInfo.Patient_Name, vwGenPatApptInfo.Appt_Status, vwGenPatApptInfo.Appt_Sched_Department_ID, vwGenPatApptInfo.Appt_Sched_Department_Descr, vwGenPatApptInfo.Patient_id, vwGenPatApptInfo.Patient_number, vwGenPatApptInfo.Appt_NoShow_Date,
ISNULL(P.NotShowCount,0) AS NotShowCount
FROM vwGenPatInfo vwGenPatInfo INNER JOIN vwGenPatApptInfo vwGenPatApptInfo ON vwGenPatInfo.Patient_ID=vwGenPatApptInfo.Patient_ID
LEFT JOIN
(SELECT Patient_ID, COUNT(Appt_Status) AS NotShowCount
FROM (SELECT Appt_DateTime, Appt_Status, Appt_Sched_Department_ID, Appt_Sched_Department_Descr, Appt_NoShow_Date, Patient_ID
FROM vwGenPatapptInfo AS vwGenPatApptInfo
WHERE (Appt_Status = 'N') AND (Appt_DateTime < DATEADD(day, DATEDIFF(day, 0, GETDATE()), - 1))) AS L
GROUP BY Patient_ID) AS P ON vwGenPatInfo.Patient_ID=P.Patient_ID
WHERE vwGenPatApptInfo.Appt_Status='N'
ORDER BY vwGenPatApptInfo.Appt_Sched_Department_ID, vwGenPatApptInfo.Appt_DateTime
请与SQL Server的版本,您使用的标记您的问题。 –