Attention all SQL Pros, DAX is not just for writing Excel-based formulas! Get hands-on learning and expert advice on how to use the vast capabilities of the DAX language to solve common data modeling challenges. Beginning DAX with Power BI teaches key concepts such as mapping techniques from SQL to DAX, filtering, grouping, joining, pivoting, and using temporary tables, all aimed at the SQL professional. Join author Philip Seamark as he guides you on a journey through typical business data transformation scenarios and challenges, and teaches you, step-by-step, how to resolve challenges using DAX. Tips, tricks, and shortcuts are included and explained, along with examples of the SQL equivalent, in order to accelerate learning. Examples in the book range from beginner to advanced, with plenty of detailed explanation when walking through each scenario. What You´ll Learn Turbocharge your Power BI model by adding advanced DAX programming techniques Know when to use calculated measures versus calculated columns Generate new tables on the fly from existing data Optimize, monitor, and tune Power BI to improve performance of your models Discover new ideas, tricks, and time-saving techniques for better models Who This Book Is For Business intelligence developers, business analysts, or any SQL user who wants to use Power BI as a reporting tool. A solid understanding of SQL is recommended, as examples throughout the book include the DAX equivalents to SQL problem/solution scenarios.
Sie möchten, was Datenanalyse angeht, noch eine Schippe drauflegen? Dann steigen Sie auf die Microsoft Self Service BI Lösung ´´Power BI´´ um. Dieses Buch zeigt Ihnen die unzähligen Möglichkeiten, die Power BI bietet, um Ihre Daten aufzubereiten und ansprechend zu präsentieren. Zunächst lernen Sie die notwendigen Grundlagen kennen, um danach tief in die Welt der Datenauswertungen, DAX-Formeln, Power BI Data Flows, Custom Visuals, Dashboards und vielem mehr abzutauchen. Sie benötigen dazu keine großen IT-Kenntnisse - Erfahrung mit Excel reicht vollkommen aus. Mithilfe von vielen Praxisbeispielen lernen Sie schnell, sowohl mit dem Power BI Desktop Client als auch mit dem Power BI Cloud Service zu arbeiten.
Power analysis attacks allow the extraction of secret information from smart cards. Smart cards are used in many applications including banking, mobile communications, pay TV, and electronic signatures. In all these applications, the security of the smart cards is of crucial importance. Power Analysis Attacks: Revealing the Secrets of Smart Cards is the first comprehensive treatment of power analysis attacks and countermeasures. Based on the principle that the only way to defend against power analysis attacks is to understand them, this book explains how power analysis attacks work. Using many examples, it discusses simple and differential power analysis as well as advanced techniques like template attacks. Furthermore, the authors provide an extensive discussion of countermeasures like shuffling, masking, and DPA-resistant logic styles. By analyzing the pros and cons of the different countermeasures, this volume allows practitioners to decide how to protect smart cards. Smart cards are used as ATM cards, credit cards, SIM cards, signature cards, pay TV cards and citizen cards. The security of these cards is of crucial importance. Power Analysis Attacks and Countermeasures for Cryptographic Smart Cards provides a unified overview andcomparison of power analysis attacks and countermeasures to protect this technology. The pros and cons of different countermeasures are analyzed in order to help decide how to protect our card devices against power analysis attacks.Power Analysis Attacks and Countermeasures for Cryptographic Smart Cards is designed for researchers and graduate-level students in computer science. This book is also suitable for practitioners in industry.
The data lake is a daring new approach for harnessing the power of big data technology and providing convenient self-service capabilities. But is it right for your company? This book is based on discussions with practitioners and executives from more than a hundred organizations.
Silverlight is Microsoft´s breakthrough technology for creating rich experiences on the web. This book illustrates the power of Silverlight as a graphics, animation, and game-creation tool. It teaches the fundamentals of computer animation, using trigonometry and vector movement before moving on to more advanced topics such as physics modeling and particle systems. With full code examples for all types of animation and interaction, this is an invaluable resource for both Silverlight beginners and more advanced users. Fully updated for Silverlight 3 See the power of Silverlight in action Learn the building blocks of animation in Silverlight 2
Second Edition of the comprehensive and highly respected guide to the AutoCAD VBA language. Suitable for all skill levels, novice and advanced power users. A complete reference for the AutoCAD 2006 object model, it shows you how to connect to other VBA-enabled applications, such as Word and Excel, and use the using the Win32 API to further extend your applications.
Demystify architecting complex blockchain applications in enterprise environments Architecting Enterprise Blockchain Solutions helps engineers and IT administrators understand how to architect complex blockchain applications in enterprise environments. The book takes a deep dive into the intricacies of supporting and securing blockchain technology, creating and implementing decentralized applications, and incorporating blockchain into an existing enterprise IT infrastructure. Blockchain is a technology that is experiencing massive growth in many facets of business and the enterprise. Most books around blockchain primarily deal with how blockchains are related to cryptocurrency or focus on pure blockchain development. This book teaches what blockchain technology is and offers insights into its current and future uses in high performance networks and complex ecosystems. Provides a practical, hands-on approach Demonstrates the power and flexibility of enterprise blockchains such as Hyperledger and R3 Corda Explores how blockchain can be used to solve complex IT support and infrastructure problems Offers numerous hands-on examples and diagrams Get ready to learn how to harness the power and flexibility of enterprise blockchains!