Exam 10: Databases Database Basics
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In its broadest definition, a ____________ is a collection of information.
(Short Answer)
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It is not possible to extract analytical data from operational databases.
(True/False)
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A key element of __________ databases is their ability to support OLAP queries that make it possible to combine data, drill down to specifics, or slice and dice the data to view it from different perspectives.
(Short Answer)
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Which of the following is not one of the main activities associated with operational databases?
(Multiple Choice)
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In a database, a(n) __________ contains the smallest unit of meaningful information
(Multiple Choice)
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In a key-value database, each data item has a key that is a unique identifier similar to a relational database key
(True/False)
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Which database data type is a collection of binary data stored in a single field of a database?
(Multiple Choice)
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A(n) __________ is the column of data in a database that is used as the basis for rearranging the data.
(Multiple Choice)
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A(n) _________ sort uses one field, to arrange records. A(n) _________ sort arranges information by more than one field.
(Multiple Choice)
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Which database tool is best for simple flat files that involve calculations?
(Multiple Choice)
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An emerging computing platform that is likely to drive innovation and disruption through the next decade called __________ has massive scale, not only in cloud-based hardware technology, but also in the vast amount of data that will be generated, consumed, and analyzed.
(Multiple Choice)
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In a __________ database, processing logic for the query is performed on the device that holds each database shard and if necessary, results are consolidated by the DBMS.
(Multiple Choice)
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The process of dividing a database into distributed subsets is called ________.
(Short Answer)
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A(n) ___________ file uses a uniform format to store data for each person or thing in the file.
(Short Answer)
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Dedicated enterprise database applications may allow cosmetic changes, but they do not encourage modifications of core data structures.
(True/False)
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