first day & last day of previous week sql query

Hi Experts,

I want to get the first day and last day of previous week.
For example, today is June 2, the first day of previous week is MAY 25, last day  is May 31

First day: Select dateadd(wk, datediff(wk, 0, getdate()) - 1, 0)
Last day: ??

Thanks!
tanj1035Asked:
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dsackerContract ERP Admin/ConsultantCommented:
From your example I assume you are wanting Monday to be the first day of a given week. In the example below, you can set @Today to any date, and you should see the preceding week's first/last days:

DECLARE @Today  datetime

SET @Today = GETDATE()

SELECT  @Today  AS [Today's Date],
        @Today - DATEPART(dw, @Today) - 5 AS PrevWkFirst,
        @Today - DATEPART(dw, @Today) + 1 AS PrevWkLast

SET @Today = '2015-05-30'

SELECT  @Today  AS [Today's Date],
        @Today - DATEPART(dw, @Today) - 5 AS PrevWkFirst,
        @Today - DATEPART(dw, @Today) + 1 AS PrevWkLast

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tanj1035Author Commented:
hi Dsacker,

Your query is dynamic for any dates.
I am currently looking for a  simple query , like First day: Select dateadd(wk, datediff(wk, 0, getdate()) - 1, 0). But I do not know the query for the last day of previous week. Can you help me on it?

Thanks
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dsackerContract ERP Admin/ConsultantCommented:
Sure. Last day would be:

DATEADD(wk, DATEDIFF(wk, 0, getdate()), 0) - 1
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