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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.
The fact table also contains foreign keys from the dimension tables, where time series (e.g. dates) and other dimensions (e.g. store location, salesperson, product) are stored. All foreign keys between fact and dimension tables should be surrogate keys, not reused keys from operational data.
For example, if a retail store sold a specific product, the quantity and prices of each item sold could be added or averaged to find the total number of items sold or the total or average price of the goods sold.
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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.
So far, we've counted more than 800 deaths, but based on federal data, we suspect there have been more. On average, nearly 1,000 people died in jails each year between 2000 and 2013, according to the Department of Justice. Use this page to follow our coverage and find the latest reports citing our data.