A) BCP's choice of software had led to erroneous data.
B) BCP had too much data being collected.
C) BCP had multiple,redundant,and error-prone sources of data.
D) BCP was collecting data that was not relevant to its new goals.
Correct Answer
verified
Multiple Choice
A) combines relational tables to provide the user with more information than is otherwise available.
B) creates a subset consisting of columns in a table.
C) organizes elements into segments.
D) identifies the table from which the columns will be selected.
Correct Answer
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Multiple Choice
A) Referential integrity
B) Normalization
C) An object-oriented DBMS
D) Entity-relationship modelling
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Multiple Choice
A) find new groupings within data.
B) find related predictions from existing values.
C) find several events grouped by time.
D) find new associations.
Correct Answer
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Multiple Choice
A) shows how data are organized and structured on the storage media.
B) presents an entry screen to the user.
C) allows the creation of supplementary reports.
D) presents data as they would be perceived by end users.
Correct Answer
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Multiple Choice
A) tuple.
B) row.
C) entity.
D) field.
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Multiple Choice
A) Storing and managing the data in the database
B) Storing definitions of data elements
C) Normalizing the database
D) Structuring the database
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Multiple Choice
A) field.
B) tuple.
C) key field.
D) attribute.
Correct Answer
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Multiple Choice
A) It is not essential,as the data model itself is modified by the database continuously.
B) Critical,as without one,your data may be inaccurate,incomplete,or difficult to retrieve.
C) Essential,as table relationships cannot be created without an accurate data model.
D) Somewhat important,as the type of data model will define what kinds of data will be stored.
Correct Answer
verified
Multiple Choice
A) primary key.
B) key field.
C) primary field.
D) foreign key.
Correct Answer
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Essay
Correct Answer
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View Answer
Multiple Choice
A) users to obtain online answers to ad hoc questions in a rapid amount of time.
B) users to view both logical and physical views of data.
C) programmers to quickly diagram data relationships.
D) programmers to normalize data.
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) field.
B) row.
C) column.
D) table.
Correct Answer
verified
True/False
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) events linked over time.
B) patterns that describe a group to which an item belongs.
C) occurrences linked to a single event.
D) undiscovered groupings.
Correct Answer
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True/False
Correct Answer
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Essay
Correct Answer
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View Answer
Multiple Choice
A) data dictionary.
B) data definition diagram.
C) entity-relationship diagram.
D) relationship dictionary.
Correct Answer
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