Описание: Identify and fix causes of poor performance. You will learn Query Store, adaptive execution plans, and automated tuning on the Microsoft Azure SQL Database platform. Anyone responsible for writing or creating T-SQL queries will find valuable the insight into bottlenecks, including how to recognize them and eliminate them.This book covers the latest in performance optimization features and techniques and is current with SQL Server 2017. If your queries are not running fast enough and you’re tired of phone calls from frustrated users, then this book is the answer to your performance problems. SQL Server 2017 Query Performance Tuning is about more than quick tips and fixes. You’ll learn to be proactive in establishing performance baselines using tools such as Performance Monitor and Extended Events. You’ll recognize bottlenecks and defuse them before the phone rings. You’ll learn some quick solutions too, but emphasis is on designing for performance and getting it right. The goal is to head off trouble before it occurs.What You'll LearnUse Query Store to understand and easily change query performanceRecognize and eliminate bottlenecks leading to slow performanceDeploy quick fixes when needed, following up with long-term solutionsImplement best practices in T-SQL to minimize performance riskDesign in the performance that you need through careful query and index designUtilize the latest performance optimization features in SQL Server 2017Protect query performance during upgrades to the newer versions of SQL Server
Who This Book Is For
Developers and database administrators with responsibility for application performance in SQL Server environments. Anyone responsible for writing or creating T-SQL queries will find valuable the insight into bottlenecks, including how to recognize them and eliminate them.
Описание: 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.
Описание: Written by a member of Microsofts Power BI team, this resource provides a practical step by step guide on creating a financial dashboard. The book covers in detail how to combine and shape the relevant data, build the dashboard in Power BI, providing layout and design tips and tricks, prepare the model to work with fiscal dates, and show values used in many financial reports, including year-to-date, variance-to-target, percentage-of-total, and running totals reports.
Описание: Power BI is a self-service (and enterprise) Business Intelligence (BI) tool that facilitates data acquisition, modeling, and visualization—and the skills needed to succeed with Power BI are fully transferable to Microsoft Excel. There are three learning areas required to master everything Power BI Desktop has to offer: TheM Language, The DAX Language, and analysis. Super Charge Power BI clearly explains the necessary concepts while at the same time giving hands-on practice to engage the reader and help new knowledge stick.
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