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Chapter 01: Database Systems
Copyright Cengage Learning. Powered by Cognero. Page 1 True / False 1.Data and information are essentially the same thing.
- True
- False
ANSWER: False
DIFFICULTY: Easy
REFERENCES: 1-2 Data versus Information
LEARNING OBJECTIVES: 01.01 - Define the difference between data and information 2.Data processing can be as simple as organizing data to reveal patterns.
- True
- False
ANSWER: True
DIFFICULTY: Easy
REFERENCES: 1-2 Data versus Information
LEARNING OBJECTIVES: 01.01 - Define the difference between data and information 3.Data is the result of processing raw facts to reveal its meaning.
- True
- False
ANSWER: False
DIFFICULTY: Easy
REFERENCES: 1-2 Data versus Information
LEARNING OBJECTIVES: 01.01 - Define the difference between data and information 4.When data are entered into a form and saved, they are placed in the underlying database as knowledge.
- True
- False
ANSWER: False
DIFFICULTY: Moderate
REFERENCES: 1-2 Data versus Information
LEARNING OBJECTIVES: 01.01 - Define the difference between data and information 5.Data constitute the building blocks of information.
- True
- False
ANSWER: True
DIFFICULTY: Easy
REFERENCES: 1-2 Data versus Information
LEARNING OBJECTIVES: 01.01 - Define the difference between data and information 6.Metadata describe the data characteristics and the set of relationships that links the data found within the database.
- True
- False
- / 4
Database Systems, Design, Implementation, & Management, 13e Carlos Coronel, Steven Morris (Test Bank, All Chapters.100% Original Verified, A+ Grade)
Chapter 01: Database Systems
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ANSWER: True
DIFFICULTY: Easy
REFERENCES: 1-3 Introducing the Database
LEARNING OBJECTIVES: 01.02 - Describe what a database is, the various types of databases, and why they are valuable assets for decision making
- The only way to access the data in a database is through the DBMS.
- True
- False
ANSWER: True
DIFFICULTY: Moderate
REFERENCES: 1-3a Role and Advantages of the DBMS
LEARNING OBJECTIVES: 01.02 - Describe what a database is, the various types of databases, and why they are valuable assets for decision making
- Database programming languages receive all application requests and translate them into the complex operations
- True
- False
required to fulfill those requests.
ANSWER: False
DIFFICULTY: Moderate
REFERENCES: 1-3a Role and Advantages of the DBMS
LEARNING OBJECTIVES: 01.02 - Describe what a database is, the various types of databases, and why they are valuable assets for decision making
- The DBMS reveals much of the database’s internal complexity to the application programs and users.
- True
- False
ANSWER: False
DIFFICULTY: Moderate
REFERENCES: 1-3a Role and Advantages of the DBMS
LEARNING OBJECTIVES: 01.02 - Describe what a database is, the various types of databases, and why they are valuable assets for decision making
- One disadvantage of the DBMS is that it increases the risk of data security breaches.
- True
- False
ANSWER: False
DIFFICULTY: Easy
REFERENCES: 1-3a Role and Advantages of the DBMS
LEARNING OBJECTIVES: 01.02 - Describe what a database is, the various types of databases, and why they are valuable assets for decision making
- An operational database is sometimes referred to as an enterprise database.
- True
- False 2 / 4
Chapter 01: Database Systems
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ANSWER: False
DIFFICULTY: Easy
REFERENCES: 1-3b Types of Databases
LEARNING OBJECTIVES: 01.02 - Describe what a database is, the various types of databases, and why they are valuable assets for decision making
- A data warehouse can store data derived from many sources.
- True
- False
ANSWER: True
DIFFICULTY: Easy
REFERENCES: 1-3b Types of Databases
LEARNING OBJECTIVES: 01.02 - Describe what a database is, the various types of databases, and why they are valuable assets for decision making
- Structure is based on the type of processing to be performed on the data.
- True
- False
ANSWER: True
DIFFICULTY: Moderate
REFERENCES: 1-3b Types of Databases
LEARNING OBJECTIVES: 01.02 - Describe what a database is, the various types of databases, and why they are valuable assets for decision making
- Corporations use only structured data.
- True
- False
ANSWER: False
DIFFICULTY: Moderate
REFERENCES: 1-3b Types of Databases
LEARNING OBJECTIVES: 01.02 - Describe what a database is, the various types of databases, and why they are valuable assets for decision making
- Field refers to a collection of related records.
- True
- False
ANSWER: False
DIFFICULTY: Easy
REFERENCES: 1-5b Computerized File Systems
LEARNING OBJECTIVES: 01.04 - See how modern databases evolved from file systems
- Structural dependence exists when it is possible to make changes in the file structure without affecting the application
- True
- False
program’s ability to access the data.
ANSWER: False 3 / 4
Chapter 01: Database Systems
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DIFFICULTY: Moderate
REFERENCES: 1-6a Structural and Data Dependence
LEARNING OBJECTIVES: 01.05 - Understand flaws in file system data management
- One disadvantage of a database system over previous data management approaches is increased costs.
- True
- False
ANSWER: True
DIFFICULTY: Easy
REFERENCES: 1-7c Managing the Database System: A Shift in Focus
LEARNING OBJECTIVES: 01.05 - Understand flaws in file system data management
- Data anomaly is defined as the condition in which all of the data in the database are consistent with the real-world
- True
- False
events and conditions.
ANSWER: False
DIFFICULTY: Easy
REFERENCES: 1-6b Data Redundancy
LEARNING OBJECTIVES: 01.05 - Understand flaws in file system data management
- An advantage of database systems is that you needn't perform frequent updates and apply latest patches.
- True
- False
ANSWER: False
DIFFICULTY: Moderate
REFERENCES: 1-7c Managing the Database System: A Shift in Focus LEARNING OBJECTIVES: 01.06 - Outline the main components of the database system
- One advantage of a database system over previous data management approaches is that the database system is
- True
- False
considerably less complex.
ANSWER: False
DIFFICULTY: Moderate
REFERENCES: 1-7c Managing the Database System: A Shift in Focus LEARNING OBJECTIVES: 01.06 - Outline the main components of the database system
Multiple Choice
- _____ is the result of revealing the meaning of raw facts.
- End-user data b. An encoded sample
- An encrypted bit d. Information
ANSWER: d
DIFFICULTY: Easy
- / 4
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