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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.
In LGR Thrifts, Basinger visits thrift stores around his area (mainly Goodwill stores), where he purchases used games, computers or any other product that has his interest. In July 2016, on the 7th year anniversary of the channel, Basinger built an I486 based computer he named the "Woodgrain 486", mainly to run early to mid 90s DOS games on it ...
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.
The system was sold in two varieties, a cube, and a 2-player value pack. The cube box version was the version sold in stores. It included the system, controller, an X-Men game disc, and 6 X-Men cards. Two player value packs were sold online (but may have been liquidated in stores) and included an extra controller and 12 additional X-Men cards.
For example, each sale is measured by the number of units sold, the unit price, and the total receipts. A dimension is a property, with a finite domain, that describes an analysis coordinate of the fact. A fact generally has multiple dimensions that define its minimum representation granularity.
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.