EBK DATABASE CONCEPTS
7th Edition
ISBN: 9780133544886
Author: AUER
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Chapter 1, Problem 1.19RQ
Explanation of Solution
Metadata:
Data present in a data warehouse, which is used to represent other data is called Metadata.
It is used to define structure of a
Use of Metadata:
- To locate the contents of a data warehouse, metadata acts as a directory to assist the decision support system.
Example:
For a student,
- The record containing attributes such as ...
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Students have asked these similar questions
the gate level and the transistor level for a certain circuit are given below. Select from the given options for each space the variable name such that the transistor level
design matches the gate level design.
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Given that W, L. and tox are scaled with a scaling factor J,
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Taking these scaling factors into consideration what is the scaling factor for metric X that equals loN C where loN is the on current of the transistor and C is the gate
capacitance of the transistor.
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O 1/P
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python
Tasks
7
• Task 1: Add a new class 'Moon` that inherits from `CelestialBody' and has an
additional attribute `parent_planet. Write a method to display the moon's details
along with its parent planet.
• Task 2: Modify the 'Galaxy' class to calculate the total mass of all celestial
bodies it contains. Implement a method `total_mass() for this purpose.
• Task 3: Create a class 'BlackHole` that inherits from `Celestial Body` and adds
properties like event_horizon_radius' and 'spins. Implement a method to display
black hole details.
• Task 4: Develop a simulation where a user can create multiple galaxies and
display their celestial bodies in a hierarchical format using inheritance.
10/06/1446
Chapter 1 Solutions
EBK DATABASE CONCEPTS
Ch. 1 - Why is the study of database technology important?Ch. 1 - Prob. 1.2RQCh. 1 - Describe the purpose of a database.Ch. 1 - Prob. 1.4RQCh. 1 - Prob. 1.5RQCh. 1 - Prob. 1.6RQCh. 1 - Prob. 1.7RQCh. 1 - Break the list in Figure 1-34 into two tables,...Ch. 1 - Show how the tables you created for question 1.11...Ch. 1 - Prob. 1.10RQ
Ch. 1 - Prob. 1.11RQCh. 1 - Break the list in Figure 1-35 into tables, each...Ch. 1 - Describe in your own words and illustrate with...Ch. 1 - Prob. 1.14RQCh. 1 - Define the term database.Ch. 1 - Prob. 1.17RQCh. 1 - List the components of a database.Ch. 1 - Prob. 1.19RQCh. 1 - Prob. 1.20RQCh. 1 - Prob. 1.21RQCh. 1 - What is the purpose of a DBMS?Ch. 1 - List the specific functions of a DBMS.Ch. 1 - Define the term referential integrity constraint....Ch. 1 - Prob. 1.25RQCh. 1 - List the functions of a database application.Ch. 1 - Prob. 1.27RQCh. 1 - Prob. 1.28RQCh. 1 - Prob. 1.29RQCh. 1 - Prob. 1.30RQCh. 1 - Prob. 1.31ECh. 1 - Prob. 1.32ECh. 1 - Prob. 1.33E
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