Exam 3: Data and Business Intelligence

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There are, to date, many legal requirements for protecting privacy while using big data analytics.

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In the context of data warehouses, briefly explain extraction, transformation, and loading (ETL).

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In object-oriented databases, grouping objects along with their attributes and methods into a class is called _____ .

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Although a database can consist of only a single file, it is usually a group of files.

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Data warehouses are sometimes called hypercubes because they _____.

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_____ , used in object-oriented databases, refers to new objects being created faster and more easily by entering new data in attributes.

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Briefly explain a relational model.

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In contrast to data in a database, data in a data warehouse is described as subject oriented, which means that it _____.

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The data _____ component of a database management system (DBMS)is used for tasks such as backup and recovery, security, and change management.

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In the context of segmentation of customers in database marketing, _____ is a variable that includes gender, age, income, and marital status.

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In the context of how information is viewed in a database, the _____ involves how data is stored on and retrieved from storage media.

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Disks are sequential access devices, whereas tapes are random access devices.

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A _____ acts as an interface to a database, retrieving data for users and allowing users to enter data in the database.

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A select operation pares down a table in a relational database by eliminating columns according to certain criteria.

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Describe the features and benefits of an object-oriented database.

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Describe how records are accessed in a random access file structure.

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To begin designing a relational database, you must define the _____ by defining each table and the fields in it.

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In the context of database marketing, when a buyer is segmented on the basis of variable psychographics, it explains _____.

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Briefly discuss the advantages and disadvantages of database marketing.

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_____ analysis  is used to discover patterns and relationships.

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