ASM654 - CHAP1

Information must be accurate and must

conform to business rules. Refer to:

• Integrated

• Credible

• Data Integrity

• Accessible

IT receives too many ad hoc requests, resulting in a large overload. With limited resources, IT is unable to respond to the numerous requests in a timely fashion. This statement is about?

• Inability to provide strategic information

• Decision-Support Systems

• Executive Information Systems

• Information Centers

Companies are desperate for strategic information to counter?

• fiercer competition

• extend market share

• improve profitability

• information needs

Data warehousing is a new paradigm specifically intended to provide vital ________________.

The data

warehouse essentially holds the _________________ for the enterprise to enable strategic decision making.

“converting data into real-time information for use in decision-making. It covers methods, tools, or procedures for storing data in an electronic repository. Data that is subject-specific, time-variant, and volatile is gathered from many sources and transformed into homogenous data that can be used for analysis and reporting.” This statement refer to:

What Data warehousing offer?

• Subject-Oriented Data

• Time-Variant Data

• Data Granularity

• Nonvolatile Data

Inconsistencies in the data are eliminated, and the data is transformed, consolidated, and integrated from several operational applications.

• Integrated Data

• Time-Variant Data

• Data Granularity

• Nonvolatile Data

Provides future projections, links information to the present, and permits examination of the past.

• Nonvolatile Data

• Time-Variant Data

• Integrated Data

• Data Granularity

a subset of corporate-wide data that is useful to certain groups of consumers. Its scope is limited to certain and chosen groups.