The Fourth Edition
The Practical SQL Handbook, fourth edition, continues to focus on industry-practice SQL, but the information included is at once more general and more specific than earlier editions. For the fourth edition, we had two objectives:
To expand our test base, running the examples on five different database systems
To show vendor-specific differences among systems
Test on More Systems
For the fourth edition, all examples were run on five systems (Sybase Adaptive Server Anywhere, Adaptive Server Enterprise, Microsoft SQL Server, Oracle, Informix), rather than on Sybase systems only, as in the third edition. This expanded test base makes the information more universal. We are no longer limited to what we can explore or verify on a particular ...
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