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Data mart exports

 

Hi,
I have some questions about setting up data mart exports:

1) Is it a bug that you have to select something in all fields when creating data marts (data elements AND indicators etc)?? For example, it's not possible to use only relative periods at the moment, unless you also choose at least one fixed period. (This is on latest stable 2.5)

2) I noticed this in the help section: "Due to the limitation in number of columns per table in the database there is a limit to how many data elements that can be selected per data mart export. In postgres this limot is 255 (need to verify this number) data elements." 
- Is that the case? (Checked the dhis.uio.no/demo server, which had several with more than 250).
- If so, can you have 250 data element AND 250 indicators, or is it the sum that counts?

Regards
Olav

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