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TASK 1: Suppliers Using domain and tuple relational calculus, find: 1. Find the sids of suppliers who supply some red or green part. 2. Find the sids of suppliers who supply some red part or are at „Koprska cesta 25". 3. Find the sids of suppliers who supply every part. 4. Find the sids of suppliers who supply every red part. 5. Find the sids of suppliers who supply every red or green part. 6. Find the pids of parts supplied by at least two different suppliers. Relation Relational schema Suppliers SUPPLIERS(sid, sname, address) Parts PARTS(pid, pname, color) Catalog CATALOG(#sid, #pid, cost)

TASK 1: Suppliers Using domain and tuple relational calculus, find: 1. Find the sids of suppliers who supply some red or green part. 2. Find the sids of suppliers who supply some red part or are at „Koprska cesta 25". 3. Find the sids of suppliers who supply every part. 4. Find the sids of suppliers who supply every red part. 5. Find the sids of suppliers who supply every red or green part. 6. Find the pids of parts supplied by at least two different suppliers. Relation Relational schema Suppliers SUPPLIERS(sid, sname, address) Parts PARTS(pid, pname, color) Catalog CATALOG(#sid, #pid, cost)

Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter8: Advanced Sql
Section: Chapter Questions
Problem 18RQ
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TASK 1: Suppliers Using domain and tuple relational calculus, find: 1. Find the sids of suppliers who supply some red or green part. 2. Find the sids of suppliers who supply some red part or are at „Koprska cesta 25". 3. Find the sids of suppliers who supply every part. 4. Find the sids of suppliers who supply every red part. 5. Find the sids of suppliers who supply every red or green part. 6. Find the pids of parts supplied by at least two different suppliers. Relation Relational schema Suppliers SUPPLIERS(sid, sname, address) Parts PARTS(pid, pname, color) Catalog CATALOG(#sid, #pid, cost)
Transcribed Image Text:TASK 1: Suppliers Using domain and tuple relational calculus, find: 1. Find the sids of suppliers who supply some red or green part. 2. Find the sids of suppliers who supply some red part or are at „Koprska cesta 25". 3. Find the sids of suppliers who supply every part. 4. Find the sids of suppliers who supply every red part. 5. Find the sids of suppliers who supply every red or green part. 6. Find the pids of parts supplied by at least two different suppliers. Relation Relational schema Suppliers SUPPLIERS(sid, sname, address) Parts PARTS(pid, pname, color) Catalog CATALOG(#sid, #pid, cost)
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