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Use a new dimension with 60 members - one for each second. Map this dimension to your fact table. Then you can construct 3 custom sets e.g. {Second.[0]:Second.[19]}, {Second.[20]:Second.[39]},<wbr /> {Second.[40]:Second.[59]} and put them on the row axes.
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Use a new dimension with 60 members - one for each second. Map this dimension to your fact table. Then you can construct 3 custom sets e.g. {Second.[0]:Second.[19]}, {Second.[20]:Second.[39]}, {Second.[40]:Second.[59]} and put them on the row axes.

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srnar can you write sample MDX with sets? I'am kinda new in analysis services.
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srnar can you write sample MDX with sets? I'am kinda new in analysis services.

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I got time dimension based on DateTime column in fact table. Now i'am trying to build MDX query to sum fact rows on custom time periods. For example:<br />
<br />
SELECT [Events Count] ON Columns, [20 seconds time periods] on Rows FROM [Common]<br />
<br />
Result i expect:<br />
<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Events Count<br />
2008-10-29 17:22:00 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1<br />
2008-10-29 17:22:20 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2<br />
2008-10-29 17:22:40 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1<br />
2008-10-29 17:23:00 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 56<br />
<br />
How to build MDX query?<br />
regards <br />
Kuba F.
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I got time dimension based on DateTime column in fact table. Now i'am trying to build MDX query to sum fact rows on custom time periods. For example:

SELECT [Events Count] ON Columns, [20 seconds time periods] on Rows FROM [Common]

Result i expect:

                                             Events Count
2008-10-29 17:22:00                     1
2008-10-29 17:22:20                     2
2008-10-29 17:22:40                     1
2008-10-29 17:23:00                     56

How to build MDX query?
regards 
Kuba F.

How to sum over time period in MDX

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