C_BOWI_40 · Question #85
How much impact does data tracking have on the data size of a Web Intelligence document (WID) Compared to the same document without data tracking?
The correct answer is B. It will increase two times. Data tracking in Web Intelligence requires storing both the current dataset and the previous dataset simultaneously, which doubles the document size.
Question
How much impact does data tracking have on the data size of a Web Intelligence document (WID) Compared to the same document without data tracking?
Options
- AIt will stay the same size.
- BIt will increase two times.
- CIt will increase three times.
- DIt will increase by 50% on each refresh.
How the community answered
(25 responses)- A4% (1)
- B92% (23)
- C4% (1)
Why each option
Data tracking in Web Intelligence requires storing both the current dataset and the previous dataset simultaneously, which doubles the document size.
The document cannot stay the same size because data tracking requires persisting a historical snapshot of the previous data in addition to the current data.
When data tracking is enabled, Web Intelligence must retain the current refresh data alongside the prior refresh data to calculate and display changes (additions, deletions, modifications). This dual-copy storage model means the WID document holds two full copies of the data, resulting in approximately twice the file size compared to a document without data tracking.
A three-times increase is not correct - only two data snapshots (current and previous) are stored, not three.
The size increase is not incremental per refresh at 50%; the overhead is fixed at roughly double due to the two-snapshot storage requirement.
Concept tested: Web Intelligence data tracking document size impact
Source: https://help.sap.com/docs/SAP_BUSINESSOBJECTS_BUSINESS_INTELLIGENCE_PLATFORM/8ac9072e-61d9-44e4-9edd-e4c5b7e3b5fb/46e2f6136e041014910ced67b8d3cba4.html
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