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In a requirement gathering session, you have made notes while discussing about Suppliers, with a user...

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Programming

In a requirement gathering session, you have made notes whilediscussing about Suppliers, with a user from procurement team. Abusiness analyst who is working with you looks at your notes andasks you what the terms below mean with respect to Supplier entity.Explain their meaning giving examples.

1. Unique identifier

2. Composite

3. Single vs Multi-valued

4. Derived

Answer & Explanation Solved by verified expert
4.4 Ratings (860 Votes)
Unique identifier It is an attribute of an entity which identifies it uniquely Basically by identifying any entity with its name may cause some inconsistency due to presence of of multiple same names of two different entities So it is an in absolute necessity for us to give a unique identifier such as    See Answer
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