Exam 13: Designing Databases
Exam 1: Systems, Roles, and Development Methodologies75 Questions
Exam 2: Understanding and Modeling Organizational Systems80 Questions
Exam 3: Project Management79 Questions
Exam 4: Information Gathering: Interactive Methods80 Questions
Exam 5: Information Gathering: Unobtrusive Methods80 Questions
Exam 6: Agile Modeling and Prototyping74 Questions
Exam 7: Using Data Flow Diagrams80 Questions
Exam 8: Analyzing Systems Using Data Dictionaries80 Questions
Exam 9: Process Specifications and Structured Decisions80 Questions
Exam 10: Object-Oriented Systems Analysis and Design Using Uml80 Questions
Exam 11: Designing Effective Output76 Questions
Exam 12: Designing Effective Input79 Questions
Exam 13: Designing Databases83 Questions
Exam 14: Human-Computer Interaction78 Questions
Exam 15: Designing Accurate Data Entry82 Questions
Exam 16: Quality Assurance and Implementation81 Questions
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Transaction files contain information necessary to produce reports but are not able to update master files.
(True/False)
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An insert anomaly results when a change to one attribute value either causes the database to contain inconsistent data or causes multiple records to need changing.
(True/False)
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Within the realm of metadata, there are record definitions and data item definitions.
(True/False)
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What can be constructed by choosing two or more data items and combining them?
(Multiple Choice)
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An object identifier is a unique key for each record in the database, not just in a table.
(True/False)
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A many-to-many relationship may be implemented using three tables.
(True/False)
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Which file is used when it is necessary to run a program, but no printer is available?
(Multiple Choice)
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A ________ is a central source of data meant to be shared by many users for a variety of applications.
(Multiple Choice)
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A data warehouse is used to organize information for quick and effective queries.
(True/False)
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A well-designed ________ can be more flexible than separate files.
(Multiple Choice)
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An update anomaly occurs when the entire primary key is not known and the database cannot insert a new record.
(True/False)
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Each distinct data entity may be stored on several master database tables.
(True/False)
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Within the realm of ________, there are entities and attributes.
(Multiple Choice)
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List and describe the four anomalies that may occur when creating database tables.
(Essay)
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An object identifier (OID)is a unique key for each record in the database, not just in a table.
(True/False)
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The information that describes data is referred to as ________.
(Multiple Choice)
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