A database that is smaller than the enterprise database and focuses on the specific information requirements of its creators is called .

Shadow systems

Explanation:

Data shadow systems(some of the time called spreadmarts) are much of the time seen departmental systems (generally spreadsheets) that the more actually slanted individuals from business bunches make for their colleagues to use to accumulate and break down information on their own when they would prefer not to work with IT or can't sit tight for them. They may very well be one-off reports, or they can be as genuine as undeniable explanatory applications utilized broadly for information combination. Information shadow systems make storehouses, bringing about conflicting information over the venture. They frequently disappoint IT gatherings, who don't comprehend why offices are not utilizing the "official" IT BI apparatuses.Hence, the right answer is "Shadow systems"

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