Exam 10: Databases
Exam 1: Digital Content108 Questions
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Exam 10: Databases102 Questions
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In a relational database, relationships are specified by joining common data stored in records from different tables.
(True/False)
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A(n) _________ database is used to collect, modify, and maintain data on a daily basis.
(Multiple Choice)
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Data _________ refers to computer algorithms that analyze information to discover previously unknown and useful information, including relationships and patterns.
(Multiple Choice)
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Rather than deleting old data, it can be moved to a data __________.
(Short Answer)
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An efficiently designed database uses computed fields whenever possible because they do not require manual data entry.
(True/False)
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__________ is a file system developed in 2005 that handles millions of files distributed across multiple server nodes.
(Short Answer)
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Access to databases is usually open to anyone within an organization or business.
(True/False)
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In the context of database security, intermediary servers allow users to directly access the database.
(True/False)
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From a technical perspective, a data __________ specifies the way data is represented on physical storage media and in RAM.
(Short Answer)
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_________-density data refers to large volumes of very detailed data in which many of the details are not important.
(Short Answer)
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Exploits that use malicious SQL statements to gain unauthorized access to a database are called SQL _____________.
(Short Answer)
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Most spreadsheet software also includes basic data management features.
(True/False)
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Modern database tools support ________________, which entails separating data from the programs that manipulate data.
(Multiple Choice)
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A database table's physical sort order is the order in which records are arranged on storage devices.
(True/False)
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A _____________ is a specification that the database designer sets up to filter data entered into a particular field.
(Multiple Choice)
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The simplest structure for storing data in a(n) _________ database is the key-value data model.
(Short Answer)
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The term __________ is used to refer to a group of technologies for managing databases that do not adhere to the relational model and standard SQL query language.
(Short Answer)
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__________ refers to a branch of data mining that analyzes current and historical data to predict future trends.
(Multiple Choice)
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