There are Sailors (sid, name, rating, age) and Reserves (sid, bid, day). Table sailors has 100 tuples per page and 200 pages in total. Table reserve has 150 tuples per page and 1000 pages in total. Assume there are 100 different boats and 10 different ratings (1-10). Examples of instances are listed below.
There are Sailors (sid, name, rating, age) and Reserves (sid, bid, day). Table sailors has 100 tuples per page and 200 pages in total. Table reserve has 150 tuples per page and 1000 pages in total. Assume there are 100 different boats and 10 different ratings (1-10). Examples of instances are listed below.
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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There are Sailors (sid, name, rating, age) and Reserves (sid, bid, day). Table sailors has 100 tuples per page and 200 pages in total. Table reserve has 150 tuples per page and 1000 pages in total. Assume there are 100 different boats and 10 different ratings (1-10). Examples of instances are listed below.
b) For the RA tree below, evaluate the cost of trees (If there are joins, use block/page nested-loop join).
Transcribed Image Text:TT
sname
O bid=10
sid=sid
O rating <=2
reserves
sailors
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