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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.
Dimensions is a database of abstracts and citations and of research grants, which links grants to resulting publications, clinical trials and patents.Dimensions is part of Digital Science (or Digital Science & Research Solutions Ltd) - a technology company headquartered London, United Kingdom.
In 2020 the team was rebranded as "Team NTT", named for the holding company of Dimension Data. [25] On 8 January 2020, the team announced that 1996 Tour de France winner Bjarne Riis, who had previously worked with Tinkoff–Saxo., [26] had acquired a third of the team's ownership and would serve as manager.
OpSource, Inc. is a cloud and managed services hosting company headquartered in Santa Clara, California.The company also has offices in Ashburn, Virginia, Ireland and India, and data centers in California, Virginia and the United Kingdom.
In computing, the star schema or star model is the simplest style of data mart schema and is the approach most widely used to develop data warehouses and dimensional data marts. [1] The star schema consists of one or more fact tables referencing any number of dimension tables .
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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.