Exam 1: Database Systems
Exam 1: Database Systems75 Questions
Exam 2: Data Models75 Questions
Exam 3: The Relational Database Model75 Questions
Exam 4: Entity Relationship Er Modeling75 Questions
Exam 5: Advanced Data Modeling75 Questions
Exam 6: Normalization of Database Tables75 Questions
Exam 7: Introduction to Structured Query Language Sql75 Questions
Exam 8: Advanced Sql75 Questions
Exam 9: Database Design75 Questions
Exam 10: Transaction Management and Concurrency Control74 Questions
Exam 11: Database Performance Tuning and Query Optimization75 Questions
Exam 12: Distributed Database Management Systems74 Questions
Exam 13: Business Intelligence and Data Warehouses74 Questions
Exam 14: Big Data and Nosql75 Questions
Exam 15: Database Connectivity and Web Technologies73 Questions
Exam 16: Database Administration and Security74 Questions
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Data and information are essentially the same thing.
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(True/False)
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False
A(n) _____ database is used by an organization and supports many users across many departments.
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(Multiple Choice)
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Correct Answer:
C
Field refers to a collection of related records.
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(True/False)
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False
_____ is data about data through which the end-user data are integrated and managed.
(Short Answer)
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_____ relates to activities that make a database operate more efficiently in terms of storage and access speed.
(Short Answer)
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A(n) _____ might be written by a programmer or it might be created through a DBMS utility program.
(Multiple Choice)
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An operational database is sometimes referred to as an enterprise database.
(True/False)
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A(n) _____ is a collection of programs that manages the database structure and controls access to the data stored in the database.
(Short Answer)
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Describe what metadata are and what value they provide to the database system.
(Essay)
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_____ data exist in a format that does not lend itself to processing that yields information.
(Multiple Choice)
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_____ exists when different versions of the same data appear in different places.
(Multiple Choice)
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What are the problems associated with file systems? How do they challenge the types of information that can be created from the data as well as the accuracy of the information?
(Essay)
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Data anomaly is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions.
(True/False)
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_____ databases focus primarily on storing data used to generate information required to make tactical or strategic decisions.
(Short Answer)
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A _____ is a character or group of characters that has a specific meaning.
(Multiple Choice)
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Which of the following is true of spreadsheet applications?
(Multiple Choice)
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A database that is created and maintained using services such as Microsoft Azure or Amazon AWS is called a(n) _____ database.
(Short Answer)
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_____ relates to the activities that make the database execute transactions more efficiently in terms of storage and access speed.
(Multiple Choice)
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