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lbeese
Starting Member
24 Posts |
 Posted - 2008-02-28 : 16:10:10
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| I have a log table that displays the history of the status of an entity and the date the status changed. member_id | modification_date | status I wish to find the differences between datetime values in different rows of the modification_date column. I would need the amount of time between whatever the next sequential time was for the member. I would also need to know the status change in that time. I don't know how to do this with just one date column.Any assistance is appreciated. Thank you. |
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SwePeso
Patron Saint of Lost Yaks
30421 Posts |
Posted - 2008-02-28 : 16:13:39
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http://weblogs.sqlteam.com/brettk/archive/2005/05/25/5276.aspx
E 12°55'05.25"N 56°04'39.16" |
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madhivanan
Premature Yak Congratulator
22864 Posts |
Posted - 2008-02-29 : 05:42:24
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| something likeselect t1.member_id,t1.modification_date,t1.status,datediff(hour,t1.modification_date,t2.modification_date) as time_diff from table t1 inner join table t2on t1.modification_date<t2.modification_dateMadhivananFailing to plan is Planning to fail |
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Finding differences between dates in a single colu