The ________ number format multiplies the displayed number format of the cell by 100
Fill in the blank(s) with the appropriate word(s).
Answer: Percent
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What is the equivalent hexadecimal number for 13? Refer to Table 6-6
Consider the following schema, where the keys are underlined:
Company is an unnormalized relation that contains information on the states where companies
are registered (Name ! RegistrationState is an FD) and the industries where they belong
(company-industry is a many-to-many relationship). The City relation contains information
about the number of people living in each city. Different cities can have the same name
in different states, but city names within the same state are unique. Consider the following
query:
SELECT C.Name, T.Name
FROM Company C, City T
WHERE C.RegistrationState = T.State AND
T.Population > 9000000 AND
C.Industry = 'Apparel'
ORDER BY C.Name
Assume the following statistical information:
20,000 tuples in Company relation
5,000 tuples in City relation
50 tuples/page in each relation
6-page bu er
The domain of Population consists of integers in the range of 1000 to 10,000,000
There are 50 industries represented in the database and 50 states.
Indices:
? Company relation:
On Industry: Clustered, hash
? City relation:
On State: Clustered, 2-level B+ tree
Question: Find the best execution plan for the above query, draw it, and estimate its cost.
Where is the Clipping icon located?
What will be an ideal response?
Using ____ technology and real-time location systems, you can install computer-tracking software on your laptop.?
A. ?global positioning system B. ?encrypting file system C. uninterruptible power supply D. ?personal identification number