Sample Statements

You now know the mechanics of constructing queries using OUTER JOIN and have seen some of the types of requests you can answer with an OUTER JOIN. Let’s look at a fairly robust set of samples, all of which use OUTER JOIN. These examples come from each of the sample databases, and they illustrate the use of the OUTER JOIN to find either missing values or partially matched values.

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 ...

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