Product Description: Sams Teach Yourself PL/SQL in 21 Days is the ultimate hands-on guide that teaches you how to take full advantage of Oracle's powerful database systems, including Web-based J/SQL implementations. In addition, you will learn to streamline client/server communications and queries and use a variety of enhancements, such as triggers and packages, which make Oracle application development much smoother...read more (view table of contents, read Amazon.com's description)