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Book Overview & Buying
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Table Of Contents
Data Analysis Using SQL and Excel - Second Edition
By :
The idea for this book originated with a colleague’s question about a reference book for SQL for data analysis queries. However, another reference book on SQL is not needed, even one focused on the practical aspects of using the language for querying purposes.
For analyzing data, SQL cannot be learned in a vacuum. A SQL query, no matter how deftly crafted, is usually not the entire solution to a business problem. The business problem needs to be transformed into a question, which can be answered via a query. The results then need to be presented, often as tables or Excel charts.
I would extend this further. In the real world, statistics also cannot be learned in a vacuum. Once upon a time, collecting data was a time-consuming and difficult process. Now, data is plentiful. The companion website for this book, for example, puts dozens of megabytes of data just a few clicks away. The problem of analyzing data now extends beyond the realm of a few statistical methods to the...
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