Luke L (9/21/2010)

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Some sample data and required output would be very valuable here. See the first link in my signature for more info.

You need to figure out if you'll do the group in the SQL query or at report rendering. Also, if you're doing aggregations on the data and you want to do it in the dataset not at rendering you'll need to use a GROUP BY Clause not the DISTINCT Keyword.

-Luke.

Luke L (9/21/2010)

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so the sample data and expected output?

If you're doing everything at rendering just pull everything, then group by columnA, add your calculations on columns b,c or whatnot. It's about the best I can do without something more concrete from you.

I'm not sure at rendering is the best place to do all of your aggregation but YMMV depending on how much data you're talking about. No need to pull 1000 rows across the network just to aggregate them down to 5 when you can do that at the database and pull your 5 records. While SSRS does a pretty good job of this, the larger the dataset, the longer it takes to get to the SSRS server across the network, and thus the longer the user waits on rendering.

-Luke.

Luke L (9/21/2010)

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Why doesn't it matter which in records 1-2? If it doesn't matter why return that column at all?

-Luke.

tsmith-960032 (9/21/2010)

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Ok,
ColumnA is a shipping number.
Each shipping number may have several orders in it.
Therefore, it is repeated, once for every order. I did not include the order number column, since I don't need it. Each unique shipping number is a load.
I want to count how many loads there are, and for different delivery date time periods, hence columnB and columnC.

Luke L (9/21/2010)

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Just to play a bit of devil's advocate here. What if instead of
1 ABC1234 09/01/10 09/02/10
2 ABC1234 09/01/10 09/03/10
rows 1 and 2 looked like this?

1 ABC1234 09/01/10 09/02/10
2 ABC1234 10/01/10 10/03/10

Depending on how you are calculating "different delivery date time periods" How do you know which date period to put shipment abc1234 into or do you want it to show up in both?