Membership History

Hi Brian, you can try the following code snippet to find the members who were active on a given date in the past. I am assuming customers whose initiation date and expiry date range includes the given date were active on this date. I have added some sample columns. You can add other columns needed by you. There might be a better way to find the active customers on a given date in the past.

--Example: Find all the customers active on 01/01/2001

DECLARE @date DATETIME

SET @date='01/01/2001'

SELECT

      a.customer_no,

      [name]=ISNULL(b.fname+' ','')+ISNULL(b.mname+' ','')+ISNULL(b.lname,''),

      init_dt=CONVERT(CHAR(10),a.init_dt,101),

      expr_dt=CONVERT(CHAR(10),a.expr_dt,101),

      orig_expr_dt=CONVERT(CHAR(10),a.orig_expiry_dt,101),

      inception_dt=CONVERT(CHAR(10),a.inception_dt,101)

FROM

      tx_cust_membership a

      INNER JOIN t_customer b ON a.customer_no=b.customer_no

WHERE DATEDIFF(DAY,a.init_dt,@date)>=0

      AND DATEDIFF(DAY,ISNULL(orig_expiry_dt,expr_dt),@date)<=0

ORDER by a.customer_no

Hope this helps,

Hello all,

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Does anyone have a report/sql for historical membership data? (e.g. all members who were active on a given date in the past)

thanks

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