Exam 6: Databases and Information Management

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Each characteristic or quality describing a particular entity is called an attribute.

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What are the differences between data mining and OLAP? When would you advise a company to use OLAP?

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A grouping of characters into a word,a group of words,or a complete number is called a record.

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In terms of data relationships,associations refers to

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Program-data dependence wastes storage resources and also leads to data inconsistency where the same attribute may have different values.

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In__________________,events are linked over time.

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The special organizational function whose responsibilities include physical database design and maintenance,is called

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__________________ is the presence of duplicate data in multiple data files so that the same data are stored in more than one place or location.

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Which of the following is not one of the techniques used in Web mining?

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A characteristic or quality describing an entity is called a(n)

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Describe the ways in which database technologies could be used by an office stationery supply company to achieve low-cost leadership.

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__________________________ works in a manner similar to classification when no groups have yet been defined.

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__________________________ recognizes patterns that describe the group to which an item belongs by examining existing items that have been classified and by inferring a set of rules.

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Oracle Database Lite is a(n)

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In a relational database,complex groupings of data must be streamlined to eliminate awkward many-to-many relationships.

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The process of streamlining data to minimize redundancy and awkward many-to-many relationships is called

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In a relational database,the three basic operations used to develop useful sets of data are

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A DBMS separates the logical and physical views of data.

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A field identified in a table as holding the unique identifier of the table's records is called the

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______________________________ use a more flexible data model and are designed for managing large data sets across many distributed machines and for easily scaling up or down.

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