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Bess [88]
3 years ago
10

Using the notation exemplified in following question , list a set of tables and attributes (and identify keys) to represent the

following data:
In a very simple school database, students have a student ID and a name. Each student has only one advisor (who has an ID and a name). Each advisor advises many students. Students take many courses. Each course has an ID, a name, and the number of credits. The database also stores when a student took a course (the semester/year) and his/her final grade for that course (on that semester).

Computers and Technology
1 answer:
Paha777 [63]3 years ago
6 0

Answer:

Entities are - Students, CourseList, Advisor and CourseSelection.

Explanation:

The database is structure is designed using Crow Foot Database Notation as attached

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Define a class named ComparableSquare that extends Square (defined above) and implements Comparable. Implement the compareTo met
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Answer:

/*********************************************************************************

* (The ComparableCircle class) Define a class named ComparableCircle that        *

* extends Circle and implements Comparable. Draw the UML diagram and implement   *

* the compareTo method to compare the circles on the basis of area. Write a test *

* class to find the larger of two instances of ComparableCircle objects.         *

*********************************************************************************/

public class Exercise_13_06 {

/** Main method */

public static void main(String[] args) {

 // Create two instances of ComparableCircle objects

 ComparableCircle comparableCircle1 = new ComparableCircle(12.5);

 ComparableCircle comparableCircle2 = new ComparableCircle(18.3);

 // Display comparableCircles

 System.out.println("\nComparableCircle1:");

 System.out.println(comparableCircle1);

 System.out.println("\nComparableCircle2:");

 System.out.println(comparableCircle2);

 // Find and display the larger of the two ComparableCircle objects

 System.out.println((comparableCircle1.compareTo(comparableCircle2) == 1  

  ? "\nComparableCircle1 " : "\nComparableCircle2 ") +  

  "is the larger of the two Circles");

}

}

3 0
3 years ago
You are most likely to use<br> images for photos or digital paintings.
Lubov Fominskaja [6]

Answer: Digital Paintings

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3 years ago
____ involves taking data from your database and putting it into an electronic file in a format that another external applicatio
steposvetlana [31]

Answer:

The answer is "Option c".

Explanation:

In the database dumping a folder for configuration, which information in the file is called a document spill.  In Plesk, exporting a database dump is a file that can be used for storage or delivery, and then preserves a source database is known as Exporting, and other choices are not correct, that are described as follows:

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3 years ago
Levi wants to run 5 commands sequentially, but does not want to create a shell script. He knows that each command is going to ta
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Answer:

um

Explanation:

what subject is this again?

3 0
3 years ago
In the context of IT jobs in the information systems field. A ____ is responsible for database design and implementation
Yuri [45]

Answer: Database Administrator.

A Database Administrator is responsible for any design and implementation of a database in a system. They are also the people who make sure that they can secure and manage all the data in their system to avoid any problems that may occur during its usage.

They also are responsible for keeping track of changes and the accessibility of the users that will be inputting data into the database. This most especially applies to databases that are meant to keep client information and transactions for most companies.

8 0
3 years ago
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