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Draw a dependency relational schema diagram for this data. You may assume the following: Each material item has one or more suppliers. Each supplier may
Draw a dependency relational schema diagram for this data. You may assume the following:
Each material item has one or more suppliers. Each supplier may supply one or more items or may not supply any items.
The unit price for a material item may vary from one vendor to another.
The terms code for a supplier uniquely identifies the terms of the sale eg code means percent net days The terms for a supplier are the same for all material items ordered from that supplier.
b Decompose this diagram into a set of diagrams in NF
c Draw an ER diagram for this situation.
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