previous day data beside date sql query

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Date          data     prevdaydata           
15/2/2015       20                     0
16/2/2015       50                     20
17/2/2015        90                    50
18/2/2015      120                     90
19/2/2015        140                   120

Posted 8-Jun-15 19:54pm

Joemens

Updated 16-Jun-15 2:42am

v5

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Maciej Los · Accepted Answer · 2015-06-08T20:18:00

Solution 1

If i understand you correctly...

Try this:

SQL

SELECT t1.Date, t1.data, COALESCE(t2.Data,0) As prevdata
FROM TableName AS t1 LEFT JOIN (
    SELECT DateAdd(dd, 1, Date) As [Date], data
    FROM TableName
    )AS t2 ON t1.Date = t2.Date

Posted 8-Jun-15 20:18pm

Maciej Los

Updated 8-Jun-15 20:30pm

v2