Exam 7: Logical Database Design
Exam 1: Data: the New Corporate Resource31 Questions
Exam 2: Data Modeling57 Questions
Exam 3: The Database Management System Concept83 Questions
Exam 4: Relational Data Retrieval: SQL71 Questions
Exam 5: The Relational Database Model: Introduction57 Questions
Exam 6: The Relational Database Model: Additional Concepts39 Questions
Exam 7: Logical Database Design58 Questions
Exam 8: Physical Database Design134 Questions
Exam 9: Object-Oriented Database Management41 Questions
Exam 10: Data Administration, Database Administration, and Data Dictionaries47 Questions
Exam 11: Database Control Issues: Security, Backup and Recovery, Concurrency59 Questions
Exam 12: Clientserver Database and Distributed Database56 Questions
Exam 13: The Data Warehouse62 Questions
Exam 14: Database and the Internet45 Questions
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In data normalization terminology, an attribute is functionally dependent on its determinant.
(True/False)
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Converting a ternary relationship into a relational database from an E-R diagram ____.
(Multiple Choice)
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Converting a one-to-one binary relationship into a relational database from an E-R diagram ____.
(Multiple Choice)
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Converting from first to second normal form involves subdividing tables to remove partial functional dependencies.
(True/False)
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Placing the unique identifier of one database table in another existing or new table in the database ____.
(Multiple Choice)
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Data in ____ cannot have partial functional dependencies but can have transitive dependencies.
(Multiple Choice)
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Data in ____ has only a single attribute value in every attribute position.
(Multiple Choice)
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A one-to-one binary relationship in an E-R diagram can be converted into either one or two tables in a relational database.
(True/False)
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In third normal form, the exception to the rule that a non-key attribute cannot define another non-key attribute is ____.
(Multiple Choice)
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Logical database design is the process of modifying the physical database design to improve performance.
(True/False)
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Physical database design is the process of modifying the logical database design to improve performance.
(True/False)
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In converting a one-to-one binary relationship in an E-R diagram into two relational tables, the rule is that the unique identifier of the entity on the "many side" of the one-to-many relationship is placed as a foreign key in the table representing the entity on the "one side."
(True/False)
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The term that describes an attribute whose value establishes the value of another attribute is ____.
(Multiple Choice)
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Data normalization is a methodology for organizing attributes into tables so that redundancy among the non-key attributes is eliminated.
(True/False)
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In the data normalization process, the database's attributes are subdivided into groups that will eventually form the database's tables.
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