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Includes Coverage of Oracle and Microsoft SQL Implementations In just 24 lessons of one hour or less, , Seventh Edition, helps you use SQL to build effective databases, efficiently retrieve data, and manage everything from performance to security. The straightforward, step-by-step approach shows you how to work with database structures, objects, queries, tables, and more. In just hours, you will be applying advanced techniques, including views, transactions, web connections, and powerful Oracle and SQL Server extensions. Every lesson builds on what you've already learned, giving you a rock-solid foundation for real-world success. Step-by-step instructions carefully walk you through the most common SQL tasks. Practical, hands-on examples show you how to apply what you learn.