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Data source size from QVD size

Hi ,

is that possible to deduce the Data Source size  from QVD size?

According to this artcle Qlikview Notes: Document Compression, Data Source=10* QVD Size

4 Replies
Gysbert_Wassenaar

No, not really. Suppose your source data is xml files. Then compression rate could be in the thousands.


talk is cheap, supply exceeds demand
Not applicable
Author

So you don't have an exact ratio??

Not applicable
Author

Is there a way to display the size of selected data? when loading the scipt we can see only rows' number.. Any idea??

Jason_Michaelides
Luminary Alumni
Luminary Alumni

You can get the number of rows or fields in a QVD file using:

QVDNoOfRecords('Filename')

and

QVDNoOfFields('Filename')

Might help in an estimation of data size. One times the other would give total cells, for example. Doesn't help with cardinality etc though.

Hope this helps,

Jason