In just 24 sessions of one hour or less, you’ll learn how to use SQL to build effective databases, efficiently retrieve your data, and manage everything from performance to security! Using this book’s straightforward, step-by-step approach, you’ll learn hands-on through practical examples. Each lesson builds on what you’ve already learned, giving you a strong real-world foundation for success. The authors guide you from the absolute basics to advanced techniques—including views, transactions, Web data publishing, and even powerful SQL extensions for Oracle and Microsoft SQL Server!

Step-by-step instructions carefully walk you through the most common SQL tasks.
Quizzes and Exercises at the end of each chapter help you test your knowledge.
By the Way notes present interesting information related to the discussion.
Did You Know? tips offer advice or show you easier ways to perform tasks.
Watch Out! cautions alert you to possible problems and give you advice on how to avoid them.

Learn how to…

Understand what SQL is, how it works, and what it does
Define efficient database structures and objects
“Normalize” raw databases into logically organized tables
Edit relational data and tables with DML
Manage database 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
Implement effective database security
Use views, synonyms, and the system catalog
Extend SQL to the enterprise and Internet
Master important Oracle and Microsoft SQL Server extensions to ANSI SQL

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Articles li�s � SQL in 24 Hours, Sams Teach Yourself

SQL in 24 Hours, Sams Teach Yourself

Stephens, Ryan; Jones, Arie D.; Plew, Ron

Ancien(s) ou d'occasion - Couverture souple

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