How is prediction distinguished from estimation in data mining?
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Prediction classifies objects according to an expected future behavior.
Which characteristic points to the tables being in third normal form?
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The tables are completely free of data redundancy.
What is a determining characteristic of unstructured data?
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It does not follow a data model.
What is an important aspect of "referential integrity"?
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Reference to data in one relation is based on values in another relation.
Which set of results should a company expect from implementing a business
intelligence system?
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Increased profitability and increased throughput
Which three kinds of rules for referential integrity are provided by modern relational
database management systems?
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Insert, Delete, Update
Which item represents unstructured data? A. Video training content. B. SQL tables of
training instructors. C.Relational db for training tracking. D. Training db backup
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A. Training Video Content
Image shows Product (2 bars) solid line to (1 bar + Crow's Feet) Component (1 bar +
Crow's Feet) solid line back to Product (2 bars)
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Unary many-to-many
What is the uniquely identifiable element about which data can be categorized in an
entity-relationship diagram?
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Entity types
Where does affinity grouping occur in data mining?
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Between objects
What is necessary for a primary key in one relation of a database to match with its
corresponding foreign key in another relation of the same database?
Give this one a try later!
Prediction classifies objects according to an expected future behavior.
Which characteristic points to the tables being in third normal form?
Give this one a try later!
The tables are completely free of data redundancy.
What is a determining characteristic of unstructured data?
,Give this one a try later!
It does not follow a data model.
What is an important aspect of "referential integrity"?
Give this one a try later!
Reference to data in one relation is based on values in another relation.
Which set of results should a company expect from implementing a business
intelligence system?
Give this one a try later!
Increased profitability and increased throughput
Which three kinds of rules for referential integrity are provided by modern relational
database management systems?
Give this one a try later!
Insert, Delete, Update
Which item represents unstructured data? A. Video training content. B. SQL tables of
training instructors. C.Relational db for training tracking. D. Training db backup
, Give this one a try later!
A. Training Video Content
Image shows Product (2 bars) solid line to (1 bar + Crow's Feet) Component (1 bar +
Crow's Feet) solid line back to Product (2 bars)
Give this one a try later!
Unary many-to-many
What is the uniquely identifiable element about which data can be categorized in an
entity-relationship diagram?
Give this one a try later!
Entity types
Where does affinity grouping occur in data mining?
Give this one a try later!
Between objects
What is necessary for a primary key in one relation of a database to match with its
corresponding foreign key in another relation of the same database?
