Exercise 4.4 Consider the Supplier-Parts-Catalog schema from the previous ques- tion. State what the following queries compute: 1. Tsname (Tsid((o color=red' Parts) (Jcost<100Catalog)) - Suppliers) 2. Tsname (Tsid ((0 color="red' Parts) (O cost<100 Catalog) ¤ Suppliers)) 3. (Tsname (ocolor=red' Parts) (o cost<100 Catalog) Suppliers))n (Tsname ((Ocolor="green' Parts) (O cost<100Catalog) A Suppliers)) 4. (Tsid((Ocolor="red' Parts) ¤ (O cost<100 Catalog) ¤ Suppliers)) n (Tsid((Ocolor="green Parts) ¤ (đcost<100 Catalog) ¤ Suppliers)) 5. Tsname ((Tsid,sname((Ocolor='red' Parts) 0cost<100Catalog) A Suppliers)) n (Tsid,sname((Ocolor='green' Parts) ¤ (Ocost<100Catalog) Suppliers)))
Exercise 4.4 Consider the Supplier-Parts-Catalog schema from the previous ques- tion. State what the following queries compute: 1. Tsname (Tsid((o color=red' Parts) (Jcost<100Catalog)) - Suppliers) 2. Tsname (Tsid ((0 color="red' Parts) (O cost<100 Catalog) ¤ Suppliers)) 3. (Tsname (ocolor=red' Parts) (o cost<100 Catalog) Suppliers))n (Tsname ((Ocolor="green' Parts) (O cost<100Catalog) A Suppliers)) 4. (Tsid((Ocolor="red' Parts) ¤ (O cost<100 Catalog) ¤ Suppliers)) n (Tsid((Ocolor="green Parts) ¤ (đcost<100 Catalog) ¤ Suppliers)) 5. Tsname ((Tsid,sname((Ocolor='red' Parts) 0cost<100Catalog) A Suppliers)) n (Tsid,sname((Ocolor='green' Parts) ¤ (Ocost<100Catalog) Suppliers)))
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Give the major detailed results
Transcribed Image Text:Exercise 4.4 Consider the Supplier-Parts-Catalog schema from the previous ques-
tion. State what the following queries compute:
1. Tsname(Tsid ((ocolor=red' Parts) D (O cost<100Catalog)) Suppliers)
2. Tsname (Tsid ((ocolor=red' Parts) (0 cost<100Catalog) Suppliers))
3. (Tsname (Ocolor=red' Parts) (o cost<100 Catalog) Suppliers))n
(Tsname (Ocolor='green' Parts) (O cost<100Catalog) ¤ Suppliers))
4. (Tsid((o color='red' Parts) (o cost<100Catalog) Suppliers))n
(Tsid (o color='grecen' Parts) (o cost<100 Catalog) Suppliers))
5. Tsname ((Tsid,sname ((O
color=red' Parts) D (Ocost<100Catalog) Suppliers)) n
(Tsid,sname (O color="green' Parts) (ocost<100 Catalog) Suppliers)))
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