Ch 5 IS 130

unstructured; uncodified

Most oncology data is ________ and ________.

True

Organizations can use Big Data to microsegment customers. A. True B. False

they make best practices available to employees

The most important benefit of knowledge management systems is:

Data governance

________ is an approach to managing information across an entire organization.

ERP

________ is an example of a source system for a data warehouse.

Cardinality

________ refers to the maximum number of times an instance of one entity can be associated with an instance in the related entity.

Master data

__________ are a set of core data that span the enterprise information systems.

Master Data Management

__________ is a process that spans all organizational business processes and applications

Clickstream data

_____________ are those data that visitors and customers produce when they visit a website and click on hyperlinks.

Bit

A _____ is the smallest unit of data a computer can process.

byte; bits

A ________ is a group of eight ________.

False

A byte is the smallest unit of data a computer can process. A. True B. False

False

A circle for cardinality represents a single relationship. A. True B. False

optional single

A circle with a vertical line represents the ________ cardinality symbol.

lake

A data ________ stores vast amounts of data in their original format until they are required, rather than forcing the integration of large volumes of data before analysis.

False

A relational database typically consists of one large two-dimensional table. A. True B. False

rot

Data ________ refers primarily to problems with the media on which the data are stored.

minimize; the same data are stored in multiple locations

Databases ________ redundancy; this means ________.

independence; applications and data are not linked to each other, so all applications are able to access the same data

Databases maximize _________; this means ________.

rows; columns

Each relational database table contains records (listed in _______) and attributes (listed in ______) .