Question: 3 . 1 Write the relational algebra queries for the following: a ) Find the names of the suppliers who offer a silver spare part

3.1 Write the relational algebra queries for the following:
a) Find the names of the suppliers who offer a silver spare part priced below 1000 rands.
(3 marks)
b) Find the names of suppliers who provide either a black part priced below 1000 rands or a white part priced below 1000 rands.

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