Beginning SQL Queries: From Novice to Professional Paperback - 2016 - 2nd Edition
by Clare Churcher
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From the publisher
From the rear cover
Get started on mastering the one language binding the entire database industry. That language is SQL, and how it works is must-have knowledge for anyone involved with relational databases, and surprisingly also for anyone involved with NoSQL databases. SQL is universally used in querying and reporting on large data sets in order to generate knowledge to drive business decisions.
Good knowledge of SQL is crucial to anyone working with databases, because it is with SQL that you retrieve data, manipulate data, and generate business results. Every relational database supports SQL for its expressiveness in writing queries underlying reports and business intelligence dashboards. Knowing how to write good queries is the foundation for all work done in SQL, and it is a foundation that Clare Churcher's book, Beginning SQL Queries, 2nd Edition, lays well.
- Write simple queries to extract data from a single table
- Combine data from many tables into one business result using set operations
- Translate natural language questions into database queries providing meaningful information to the business
- Avoid errors associated with duplicated and null values
- Summarize data with amazing ease using the newly-added feature of window functions
- Tackle tricky queries with confidence that you are generating correct results
- Investigate and understand the effects of indexes on the efficiency of queries
Details
- Title Beginning SQL Queries: From Novice to Professional
- Author Clare Churcher
- Binding Paperback
- Edition number 2nd
- Edition 2
- Pages 234
- Volumes 1
- Language ENG
- Publisher Apress
- Publication date 2016-07-07
- Illustrated Yes
- Features Illustrated, Index
- ISBN 9781484219546 / 1484219546
- Weight 0.97 lbs (0.44 kg)
- Dimensions 9.8 x 6.9 x 0.6 in (24.89 x 17.53 x 1.52 cm)
- Category Computers - Languages / Programming
- Library of Congress subjects Database management, Relational databases
- Library of Congress Catalogue Number 2016944320
- Dewey Decimal Code 005.758
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