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The first goal of this book is to provide the power user and
database professional with SQL solutions to problems they face in
the business working environment. To achieve this, the author uses
his experience from the myriad of projects he participated in the
last twenty years. He also follows user newsgroups where multiple
business problems are posted. It is a pragmatic book that will show
you how to calculate discounted sales volumes depending on revenue
volumes, how to calculate employee commissions based on their
sales, how to update multiple product prices from multiple
suppliers conditionally, or how to find products with prices above
the average product price. The book will not waste your time by
repeating "in a beautified form" what is in the help file for
administration and reference: it is intended to help you with your
time, not waste it. The second goal of this book is to help people
who want to learn SQL from the ground up. For this reason the
author included in the beginning of each chapter simple but not
simplistic theory so that the novice can be gradually introduced to
the concepts of practical SQL and become an expert. If you need to
teach SQL Server T-SQL in a class environment, you might want to
consider the book "SQL Server T-SQL Comprehensive: version 2012"
from the same author.
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