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Dimension Data was a company specialising in information technology services. Based in Johannesburg , South Africa , [ 2 ] the company maintained operations on every inhabited continent. [ 3 ] Dimension Data focused on services including IT consulting , technical and support services, and managed services .
The dimension is a data set composed of individual, non-overlapping data elements. The primary functions of dimensions are threefold: to provide filtering, grouping and labelling. These functions are often described as "slice and dice". A common data warehouse example involves sales as the measure, with customer and product as dimensions.
In 1997, Dimension Data acquired Internet Solutions by purchasing the remaining 75% of the company; previously they had acquired 25% the year before. [3] Ronnie Apteker, one of the founders of Internet Solutions stated that one of the main reasons for selling the company was to enhance the company's ability to deliver to the market and has joined forces with Dimension Data to meet market needs.
Dimensional models are more denormalized and optimized for data querying, while normalized models seek to eliminate data redundancies and are optimized for transaction loading and updating. The predictable framework of a dimensional model allows the database to make strong assumptions about the data which may have a positive impact on performance.
In data warehousing, a fact table consists of the measurements, metrics or facts of a business process. It is located at the center of a star schema or a snowflake schema surrounded by dimension tables. Where multiple fact tables are used, these are arranged as a fact constellation schema.
The Dimension Data Ladies Pro-Am is a women's professional golf tournament held in Western Cape, South Africa.It is an event on the Southern Africa-based Sunshine Ladies Tour since 2014, played concurrently with the men's Dimension Data Pro-Am on the Sunshine Tour.
Data in a DW are organized according to the multidimensional model, that hinges on the concepts of fact (a focus of interest for the decision-making process, such as sales and orders) and dimension (a coordinate for analyzing a fact, such as time, customer, and product).
In metadata, a dimension is a set of equivalent units of measure, where equivalence between two units of measure is determined by the existence of a quantity-preserving one-to-one correspondence between values measured in one unit of measure and values measured in the other unit of measure, independent of context, and where characterizing operations are the same.