将从当前月份和年份的日期中提取MINDATE的SQL语句

我需要一个sql语句，它将 当月和当年的最短就诊日期（2021年5月）

结果:

1   5/3/2021
2   5/2/2021
3   5/9/2021



SELECT emp_id, visit_date
FROM
THS_ClientVisit 
WHERE 
   THS_ClientVisit.visit_date =
    (
        SELECT MIN(THS_ClientVisit.visit_date)
        FROM dbo.THS_ClientVisit
        WHERE MONTH YEAR from current month[i.e. 05-2021] = MONTH YEAR from visit_date {i.e. 05-2021]
    );

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谢谢你的帮助

提示：

分组依据

<代码>其中。同时标记您正在使用的数据库。标记您的数据库

SELECT
    emp_id,
    MIN(CONVERT(date,rev_timein)) as MinVisitDate
FROM
    THS_ClientVisit
WHERE
   DATEPART(mm, THS_ClientVisit.rev_timein)= MONTH(CURRENT_TIMESTAMP) AND DATEPART(yy, THS_ClientVisit.rev_timein)=YEAR(CURRENT_TIMESTAMP)
GROUP BY
    THS_ClientVisit.emp_id

SELECT
    emp_id,
    MIN(CONVERT(date,rev_timein)) as MinVisitDate
FROM
    THS_ClientVisit
WHERE
   DATEPART(mm, THS_ClientVisit.rev_timein)= MONTH(CURRENT_TIMESTAMP) AND DATEPART(yy, THS_ClientVisit.rev_timein)=YEAR(CURRENT_TIMESTAMP)
GROUP BY
    THS_ClientVisit.emp_id