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INSY 3304 EXAM 1 WITH QUESTIONS AND 100% VERIFIED ANSWERS
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INSY 3304 EXAM 1 WITH QUESTIONS AND 100% VERIFIED ANSWERS...
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A _______ is anything that requires data collection and storage. - ANSWERentity.
A _______ is bidirectional. - ANSWER connection.
Database designers select the data and information that will provide the
necessary insight of the entire business. - Answer: False
Each table in a SQL-based relational database is dependent on the other tables. -
Answer: False
An operational database is often referred to as an enterprise database. - Answer:
False
Corporations only use organized data. - Answer: False
Business standards apply to enterprises and governments, but not to religious
organizations or research labs. - Answer: False
The data exists in a format that does not lend itself to information-generating
processing. - ANSWER Unstructured
A data warehouse can store data from multiple sources. - The answer is true.
A ____ is a set of connected records. - ANSWER file
A noun in a business rule is equivalent to a ______ in the data model. -
ANSWER entity.
A DBMS stores the database structure as a set of files labeled ANSWER.
M:N relationships do not fit in a relational model. - The answer is true.
, ___________ refers to the activities that enable the database to execute
transactions more efficiently in terms of storage and access speed. - ANSWER
Performance tuning
Data processing can be as easy as organizing data and identifying trends. - The
answer is true.
A _______ is the same as a field in a file system. - ANSWER attribute.
Within the database environment, a data model represents data structures that
are intended to support a given issue area. - The answer is true.
Data is the product of processing raw facts to discover their meaning. - Answer:
False
A desktop database is a _______ database. - ANSWER: Single user
A workgroup database is a _______ database. - Answer multiuser.
_________ describe the data attributes and the linkages that connect the data in
the database. - ANSWER Metadata
Database programming languages receive all application requests and convert
them into the complex operations required to complete them. - Answer: False
Each row in the relational table is referred to as an entity instance or entity
occurrence in the ER model. - The answer is true.
The external model is the representation of the database as "seen" by the DBMS
(answer False).
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