Exam 1: The Database Environment and Development Process
Exam 1: The Database Environment and Development Process116 Questions
Exam 2: Modeling Data in the Organization103 Questions
Exam 3: The Enhanced E-R Model103 Questions
Exam 4: Logical Database Design and the Relational Model102 Questions
Exam 5: Physical Database Design and Performance103 Questions
Exam 6: Introduction to SQL105 Questions
Exam 7: Advanced SQL107 Questions
Exam 8: Database Application Development105 Questions
Exam 9: Data Warehousing103 Questions
Exam 10: Data Quality and Integration105 Questions
Exam 11: Big Data and Analytics102 Questions
Exam 12: Data and Database Administration110 Questions
Exam 13: Distributed Databases100 Questions
Exam 14: Object-Oriented Data Modeling105 Questions
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Because applications are often developed independently in file processing systems:
(Multiple Choice)
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Although personal databases improve productivity, one risk is that data cannot be shared with other users.
(True/False)
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Unplanned duplicate data files are the rule rather than the exception in file processing systems.
(True/False)
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________ do NOT concentrate on determining the requirements for the database component of an information system.
(Multiple Choice)
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The external schema contains a subset of the conceptual schema relevant to a particular group of users.
(True/False)
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The traditional methodology used to develop, maintain and replace information systems is called the:
(Multiple Choice)
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Relational databases establish the relationships between entities by means of common fields included in a file called a(n):
(Multiple Choice)
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The relational data model is no longer popular in the 21ˢᵗ century.
(True/False)
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An enterprise data model describes the scope of data for only one information system.
(True/False)
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Organizing the database in computer disk storage is done in the ________ phase.
(Multiple Choice)
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Cost and complexity are just two of the disadvantages of database processing.
(True/False)
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Database processing programs are coded and tested during the design stage of the systems development life cycle.
(True/False)
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The data repository assists database administrators in enforcing standards.
(True/False)
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