September 2001
Beginner
544 pages
17h 43m
English
Content preview from DATA WAREHOUSING FUNDAMENTALS: A Comprehensive Guide for IT Professionals
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GLOSSARY
- Ad Hoc Query.
A query that is not predefined or anticipated, usually run just once. Ad hoc queries are typical in a data warehouse environment.
- ADO.
ActiveX Data Objects. Microsoft's software interface mechanism for distributed Web applications.
- Agent Technology.
A technology where specialized software modules act to produce desired results based on specified events. The software is structurally transparent to users.
- Alert System.
A software system that notifies and alerts users when particular events take place, such as some business indicator exceeding a preset threshold value.
- API.
Application Program Interface. A functional interface, usually supplied by the operating system, that allows one application program to communicate with another program for receiving services. APIs are generally implemented through function calls.
- ASCII.
American Standard Code for Information Interchange. A standard code, consisting of a set of 7-bit coded characters, used for information exchange between computer and communication systems.
- Bitmapped Indexing.
A sophisticated and fast indexing technique using the binary values of individual bits to indicate values of attributes in relational database tables. This technique is very effective in a data warehouse for low-selectivity data, that is, for attributes that have only a few distinct values.
- BLOB.
Binary Large Object. Very large binary representation ofmultirnedia objects that can be stored and used in some enhanced relational ...
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