MIX eBooks Page 78

Database replication is widely used for fault-tolerance, scalability and performance. The failure of one database replica does not stop the system from working as available replicas can take over the tasks of the failed replica. Scalability can be achieved by distributing the load across all replicas, and adding new replicas should the load increase. Finally, database replication can provide fast local access, even if clients are geographically distributed clients, if data copies are located close to clients. Despite its advantages, replication is not a straightforward technique to apply, and there are many hurdles to overcome. At the forefront is replica control: assuring that data copies remain consistent when updates occur. There exist many altern...

Demonstrate your expertise with Microsoft Office 2010! This all-in-one guide is designed to help you practice and prepare for the four core Microsoft Office Specialist (MOS) exams. With the MOS 2010 Study Guide, you get full, objective-by-objective coverage for:Exam 77-881: Microsoft Word 2010 Exam 77-882: Microsoft Excel 2010 Exam 77-883: Microsoft PowerPoint 2010 Exam 77-884: Microsoft Outlook 2010 Use the book's easy-to-follow procedures and illustrations to review the essential skills measured by the MOS exams. And you can apply what you've learned hands-onusing the downloadable files for all the book's practice tasks....

As the usage of PHP grows, the need for a globally-recognized credentials program for professional developers is becoming more and more important. The Zend Engineer Certification Program, launched by worldwide PHP leader Zend Technologies, finally creates a professional designation that represents consistently high-quality skills and knowledge in the PHP world. Written and edited by four members of the Zend Education Board who also helped create the actual Zend Certification Exam, this book contains 200 questions on every topic that is part of the exam. The Zend Certification Practice Test Book is an invaluable resource in testing your preparedness in every area of the exam, from the basics to the most advanced topics. Each question comes with a clea...

Learn to master the secrets of the Zend Framework with this new book from php|architect's popular Nanobook series! Written by Zend DevZone editor and well-known PHP expert Cal Evans, php|architect's Guide to Programming with Zend Framework helps you understand the Zend Framework through a detailed roadmap into its features and functionality. This book covers much of the primary functionality offered by the Zend Framework, and works well both as a thorough introduction to its use and as a reference for higher-level tasks. The table of contents includes: - Getting started - The Model - The Controller - The View - Data access - Web services - Authorizations - Exceptions and error management - Rich Internet Applications - Hacking the framework: secret cl...