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SQL Queries for Mere Mortals: A Hands-On Guide to Data Manipulation in SQL, Second Edition
book

SQL Queries for Mere Mortals: A Hands-On Guide to Data Manipulation in SQL, Second Edition

by John L. Viescas, Michael J. Hernandez
September 2007
Intermediate to advanced content levelIntermediate to advanced
672 pages
13h 23m
English
Addison-Wesley Professional
Content preview from SQL Queries for Mere Mortals: A Hands-On Guide to Data Manipulation in SQL, Second Edition

Sample Statements

You now know the mechanics of constructing queries using UNION and have seen some of the types of requests you can answer with a UNION. Let’s take a look at a fairly robust set of samples using UNION from each of the sample databases. These examples illustrate the use of the UNION operation to combine sets of rows.

We’ve also included sample result sets that would be returned by these operations and placed them immediately after the SQL syntax line. The name that appears immediately above a result set is the name we gave each query in the sample data on the companion CD you’ll find bound into the back of the book. We stored each query in the appropriate sample database (as indicated within the example), and we prefixed the ...

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Publisher Resources

ISBN: 9780321444431Purchase book