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Replace column data with column data of another table


Replace column data with column data of another table

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arcane_522
arcane_522
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I have Two tables as follows

Table A:
Empid WeekoffDate
1000 2012-04-07 00:00:00.000
1000 2012-05-17 00:00:00.000
1000 2012-06-07 00:00:00.000

Table B:
Empid WeekoffChangeDate WeekoffDate
1000 2012-05-15 00:00:00.000 2012-05-17 00:00:00.000
1000 2012-06-13 00:00:00.000 2012-06-07 00:00:00.000


Result Table:
Empid ActualWeekOffDate
1000 2012-04-07 00:00:00.000
1000 2012-05-15 00:00:00.000
1000 2012-06-13 00:00:00.000

I need the above result table, I had tried joins and union all but did not get the result.


Thanks in advance.
J Livingston SQL
J Livingston SQL
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Group: General Forum Members
Points: 5480 Visits: 35435
one way to consider


SELECT
A.Empid,
ISNULL(B.WeekoffChangeDate, A.WeekoffDate) AS ActualWeekOffDate
FROM Table_A AS A
LEFT OUTER JOIN Table_B AS B ON A.WeekoffDate = B.WeekoffDate
AND A.Empid = B.Empid




________________________________________________________________
you can lead a user to data....but you cannot make them think
and remember....every day is a school day

arcane_522
arcane_522
Forum Newbie
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Group: General Forum Members
Points: 2 Visits: 6
Thank you very much.. it worked out for me
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