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What is vertical fragmentation?
Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
E-R Model This data model is based on real world that consists of basic objects named entities and of relationship among these objects. Entities are illustrated in a database
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Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities
Vertical Fragmentation- Vertical fragmentation groups together only those attributes in a relation that are used jointly by various important transactions. A vertical fragment is d
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