- PowerCenter 10.4.0
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Pre-stored summary of data or grouping of detailed data which satisfies a specific business rule. Example rules: sum, min, count, or combinations of them.
A specific property of a dimension. Examples: size, type, and color.
A set of related factual measures, aggregates, and dimensions for a specific dimensional analysis problem. Example: regional product sales.
A set of level properties that describe a specific aspect of a business, used for analyzing the factual measures of one or more cubes which use that dimension. Examples: geography, time, customer, and product.
Drilling is the term used for navigating through a cube. This navigation is usually performed to access a summary level of information or to provide more detailed properties of a dimension in a hierarchy.
A fact is a time variant measurement of quantitative data in a cube; for example, units sold, sales dollars, or total profit.
Hierarchy concept refers to the level of granularity represented by the data in a particular dimension of a cube. For example, state, county, district, and city represent different granularity in the hierarchy of the geography dimension.
Means for representing quantitative data in facts or aggregates. Example measures are total sales or units sold per year.
A process used for reducing redundancies and removing anomalies in related dimension tables in various hierarchies.
Term used for referring to duplication of data among related tables for the sake of improving the speed of query processing.
A normalized multi-dimensional model in which each disjoint dimension is represented by a single table.
Snow Flake Schema
A normalized multi-dimensional model in which at least one dimension is represented by two or more hierarchically related tables.
Updated July 02, 2020