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STatiana [176]
3 years ago
11

Consider the following schema:Suppliers (sid: integer, sname: varchar, address: varchar)Parts (pid: integer, pname: varchar, col

or: varchar)Catalog (sid: integer, pid: integer, cost: real)Where sid is the supplier’s id (primary key in Suppliers), pid is the part’s id (primary key in Parts), and sid together with pid is the primary key of Catalog. The Catalog relation lists the prices charged for parts by Suppliers.A) Write the following queries using relational algebra:5 Find the sids of suppliers who supply every part6. Find the sids of suppliers who supply every red part7. Find the sids of suppliers who supply every red or green part.8. Find the sids of suppliers who supply every red part or supply every green part
Engineering
1 answer:
Contact [7]3 years ago
6 0

Answer:

umm lemme check

Explanation:

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hope thats right

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A good rule of thumb is to design the horizontal stabilizer so that its area is about 1/6 to 1/8 of the area of the wing. If the
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Engine oil flows through a 25‐mm‐diameter tube at a rate of 0.5 kg/s. The oil enters the tube at a temperature of 25°C, while th
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The above have been solved for in the below workings

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