DAX is not only an expression language, but also a query language and, when it comes to performance, the xVelocity in-memory engine is second to none. Scanning fact tables and performing leaf-level computation happens in a matter of milliseconds. Nevertheless, as with any other language, you can write good DAX or bad DAX, depending on your understanding of the engine internals. This session introduces DAX as a query language, showing the different ways of querying with DAX using real-world data. Some queries will be fast, others will need optimizations. Many practical examples based on common patterns and an analysis of the query plans will show how to get the best out of DAX.
This Exam Prep session is designed for people experienced with Windows Server 2012 who are interested in taking the 70-412 (Configuring Advanced Windows Server 2012 Services) exam or the 70-417 (Upgrading Your Skills to MCSA Windows Server 2012) exam. These exams are required for the new MCSA: Windows Server 2012 certification. Attendees of this session can expect to review the topics covered in these exams in a fast-paced format, as well as receive some valuable test taking techniques. Attendees will leave with an understanding of how Microsoft certification works, the key topics covered in the exams, and an exhaustive look at resources for finalizing getting ready for the exam. The session is led by a Microsoft Certified Trainer (MCT), experienced in delivering sessions on these topics.
Windows Azure Mobile Services supplies a scalable and secure cloud backend for your Windows Store, Windows Phone, iOS and Android apps. Use Mobile Services to structure storage, authenticate users, send push notifications and add custom logic. In this video we'll walk you through how to add a connected backend to your Windows Store App and send push notifications to your users.