ISOM Quiz III Chpt 8
Terms
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- a separate data repository of analytically useful information) provided the ability to support data-analysis based decision making without disrupting the day-to-day operations
- Data Warehouse
- The _____ ______of a data warehouse is to aggregate (gather) information throughout an organization into a single repository for _____-_____ purposes
- primary purpose; decision-making
- encompasses all of the information contained within a single business process or unit of work, and its primary purpose is to support the performing of daily operational tasks
- Transactional Information
- encompasses all organizational information, and its primary purpose is to support the performing of managerial analysis tasks
- Analytical Information
- analytical information is based on ______ information
- transactional
- a collection of transactional information
- Operational(regular) database
- a collection of analytical information
- Data Warehouse
-
a process that extracts information from internal and external databases, transforms the information using a common set of enterprise definitions, and loads the information into a data warehouse
- Extraction, transformation, and loading (ETL)
- contains a subset of data warehouse information
- Data Mart
- type of data mart extracted from data warehouses
- Dependant data mart
- type of data mart that is a stand alone mini data warehouses
- independant data mart
-
-a process that weeds out and fixes or discards inconsistent, incorrect, or incomplete information
-Part of the ETL process - Informational Cleansing and Scrubbed
- -the process of analyzing data to extract information not offered by the raw data alone
- Data Mining
- use a variety of techniques to find patterns and relationships in large volumes of information and infer rules from them that predict future behavior and guide decision making
- Data Mining Tools