EXAM PREP GUIDE Ace your preparation for the skills measured by MCITP Exam 70-442—and on the job. Work at your own pace through a series of lessons and reviews that fully cover each exam objective. Then, reinforce what you’ve learned by applying your knowledge to real-world case scenarios and practice exercises. This official Microsoft study guide is designed to help you make the most of your study time. Maximize your performance on the exam by learning to: Create data access solutions, connections, and models Write database queries, specialized queries, and XQuery expressions Programmatically administer a SQL Server service Design code that validates user data and handles errors Choose appropriate transaction isolation levels and optimize locking Tune query and application performance PRACTICE TESTS Assess your skills with practice tests on CD. You can work through hundreds of questions using multiple testing modes to meet your specific learning needs. You get detailed explanations for right and wrong answers—including a customized learning path that describes how and where to focus your studies. A Note Regarding the CD or DVD The print version of this book ships with a CD or DVD. For those customers purchasing one of the digital formats in which this book is available, we are pleased to offer the CD/DVD content as a free download via O'Reilly Media's Digital Distribution services. To download this content, please visit O'Reilly's web site, search for the title of this book to find its catalog page, and click on the link below the cover image (Examples, Companion Content, or Practice Files). Note that while we provide as much of the media content as we are able via free download, we are sometimes limited by licensing restrictions. Please direct any questions or concerns to booktech@oreilly.com.