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nydimaria [60]
3 years ago
11

6. A rental car agency classifies the vehicles it rents into four categories: compact, midsize, full-size, and sport utility. Th

e agency wants to record the following data for all vehicles: Vehicle_ID, Model, Year, and Color. There are no unique attributes for any of the four classes of vehicle. The entity type vehicle has a relationship (named Rents) with a customer entity type. None of the four vehicle classes has a unique relationship with an entity type. Would you consider creating a class/subclass relationship
Computers and Technology
1 answer:
Tju [1.3M]3 years ago
7 0

Answer:

there are no possibilities

Explanation:

A class / subclass relatonship is not going to be possible here.

This is because we have these four caegories namely

1. compact,

2. midsize,

3. full-size, and

4. sport utility

These four categories have no real unique relationship or attributes with an entity type. A minimum of a supertype has atleast one subtype as well as following the total specialization situation.

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Subject line is an important element of an e-mail. Through the subject line, the message written in the e-mail is briefly summarized in six to eight words. A clearly written subject line provides the recipient a clear understanding that why the email has been sent. When recipient replies back to the e-mail, the subject line is changed accordingly.

This is the subject line of the e-mail that convince the receiver whether to open and read the e-mail. So, it should be written in the way that gives clear intention of the e-mail. We can say that the subject line of the e-mail is the most significant few words in the whole e-mail to convey the main purpose of the e-mail.

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While using a Web-based order form, an attacker enters an unusually large value in the Quantity field. The value she entered is
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