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QlikView - What is QVD?

asked SRVMTrainings July 2, 2014 12:44 PM  

What is QVD?


1 Answers

answered By SRVMTrainings   0  
A QVD (Qlik View Data) file is a file containing a table of data exported from Qlik View. QVD is a native Qlik View format and can be written to and read by Qlik View. The file format is optimized for speed when read data from a Qlik view but it is still very compact reading data from Qlikview file is typically 10-100 times faster than reading from other data sources. A QVD File holds exactly one data table and commits 3 parts 1. A Well formed XML header describing the fields in the table the layout of the sub sequent information and some other meta data. 2. Symbol table in a byte stuffed format 3. Actual table data in a bit stuffed format Ex. Store * from categories into ‘pathcategories.qvd(qvd) A QVD consists of layout, script, Data, Data model
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