Publisher's Synopsis
Includes Coverage of Oracle and Microsoft SQL Implementations
In just 24 lessons of one hour or less, Sams Teach Yourself SQL in 24 Hours, Sixth Edition, helps you use SQL to build effective databases, efficiently retrieve data, and manage everything from performance to security.
This book's 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.
Quizzes and exercises help you test your knowledge and stretch your skills.
Notes and tips point out shortcuts and solutions.
Learn how to…
Define efficient database structures and objects
"Normalize" raw databases into logically organized tables
Edit relational data and tables with DML
Manage transactions
Write effective, well-performing queries
Categorize, summarize, sort, group, and restructure data
Work with dates and times
Join tables in queries, use subqueries, and combine multiple queries
Master powerful query optimization techniques
Administer databases and manage users
Secure databases and protect data
Use views, synonyms, and the system catalog
Extend SQL to the enterprise and Internet
Master important Oracle and Microsoft extensions to ANSI SQL
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