DATA-SDY
With technological advances in science, business and engineering, the amount of data being produced has become exponentially increasing. It is important to understand how to process, store and manage this data. This unit teaches you how to ingest, combine and summarise a range of data sets, including structured, unstructured and big data. It also provides an introduction to statistical programming languages and demonstrates how these can be used to support data analysis tasks.
The information in these databases is often organized in multidimensional schemas, a blueprint that represents how the data is arranged and accessed by people using the database for analytical purposes. These schemas usually resemble a star shape with one fact table (which contains the metric set that relates to a particular business event or process) at the center of the blueprint, surrounded by several associated dimension tables. This design reduces the number of joins required by querying, and thus makes the database more efficient to use.
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