SQL -Start

SQL is almost ubiquitous. While there are many other languages that companies use either directly or indirectly to support analytics of information, SQL is easily the most common. SQL-Through simple queries(using a set of basic commands)

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SQL - Extracting Data

SQL Server Query Optimizer identifies these stale statistics before compiling a query and before executing a cached query plan. The identification of stale statistics are done by counting the number of data modifications since the last statistics update and comparing the number of modifications to a threshold

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The Information-Action Value Chain

Within the company we are interested in a type of event, a wireless customer who cancels his telephone service. The department is considering analysis that focuses on examining the number and types of customers who cancel.

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The Tools of the Data Analyst

Identify when, where and in what context certain tools are used considering the research objectives

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