Exam 10: Databases
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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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Most spreadsheet software also includes basic data management features.
(True/False)
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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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It is not possible to extract analytical data from operational databases.
(True/False)
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A process called ____________ helps database designers create a database structure that minimizes storage space and increases processing efficiency.
(Short Answer)
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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 a specification that the database designer sets up to filter data entered into a particular field.
(Multiple Choice)
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SQL works behind the scenes as an intermediary between the database client software provided to users and the database itself.
(True/False)
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Unlike a sort order, an index has no bearing on the physical sequence of records on a storage device.
(True/False)
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A computed ___________ is a calculation that a DBMS performs, similar to the way a spreadsheet computes a formula.
(Multiple Choice)
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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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____________ scaling (or autoscaling) ensures acceptable database throughput by scaling out as necessary to handle peak loads.
(Short Answer)
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In a database, a(n) __________ contains the smallest unit of meaningful information
(Multiple Choice)
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A database ____________ contains a list of keys, and each key provides a pointer to the record that contains the rest of the fields related to that key.
(Short Answer)
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In SQL terminology, creating a relationship between tables is referred to as _______ tables.
(Short Answer)
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A(n) _________ database is used to collect data that will be used for spotting trends that offer insights for tactical and strategic business decisions.
(Multiple Choice)
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Dynamic scaling for database servers can be a challenge because the additional sharding has to be handled on the fly by the DBMS.
(True/False)
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Access to databases is usually open to anyone within an organization or business.
(True/False)
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