Data warehouse - a logical collection of information gathered from many different operational databases that supports business analysis activities and decision making tasks.
Data Warehouse Model
Extraction, transformation, and loading ( ETL ) - 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.
Data mart - contains a subset of data warehouse information.
Multidimensional Analysis and Data Mining
Cube - common term for the representation of multidimensional information.
Data mining - the process of analyzing data to extract information not offered by the raw data alone. Also known as "knowledge discovery" computer assisted tools and techniques for sitting through and analyzing vast data stores in order to find trends, patterns, and correlations that can guide decision making and increase understanding.
Data mining tool - uses a variety of techniques to find patterns and relationships in large volumes of information.
Information Cleansing or Scrubbing
a process that weeds out and fixes or discards inconsistent, incorrect, or incomplete information.
refers to applications and technologies that are used to gather, provide access, analyze data, and information to support decision making effort.