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only fetch "new" data (since the previous fetch)|Power Query|Excel Forum|My Online Training Hub

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only fetch "new" data (since the previous fetch)
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peter warburton
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January 8, 2021
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September 30, 2022 - 11:36 pm
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Hi,

The databases I access are cumulative and contain an ever increasing number of records. They never change after being entered. 

My PowerBI queries download the whole database every time I refresh, when what I would really like is to download only the "new" records since my previous refresh, based on a date/time stamp in each record or simply recording the date/time of the previous refresh. Does anyone know a way to achieve this for sequel databases, excel worksheets etc?

In the same vein of saving download time and filesize, the sequel databases contain many more fields (columns) than I need. Is there a way to request only the fields I need?

I have searched this forum and cannot find any info on this subject.

 

Thanks in advance,

 

Peter

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Mynda Treacy
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October 1, 2022 - 8:38 am
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Hi Peter,

You can use Incremental Refresh.

Mynda

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