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Old July 2nd, 2007, 03:38 PM
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Default Compress (roll-up) table data

I need to roll-up rows (approx. 20 million) in a table, combining rows with continuous dates for the same ID. Ex.

ID Strt_dt End_Dt
1 1/1/2007 1/31/07
1 2/1/2007 2/28/2007
1 3/6/2007 3/30/2007
1 4/1/2007 4/30/2007
1 5/1/2007 5/31/2007
2 1/1/2007 1/31/07
2 2/1/2007 2/28/2007
2 3/1/2007 3/20/2007
2 4/1/2007 4/30/2007
2 5/1/2007 5/31/2007

Needs to be reduced to:
ID Strt_dt End_Dt
1 1/1/2007 2/28/2007
1 3/6/2007 5/31/2007
2 1/1/2007 3/20/2007
2 4/1/2007 5/31/2007


Any help would be GREATLY appreciated.

 
Old July 4th, 2007, 01:39 PM
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Default

See the solution here
http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=85913






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