By Alberto Ferrari,Marco Russo
Renowned DAX specialists Alberto Ferrari and Marco Russo educate you the way to layout info versions for optimum potency and effectiveness.
How are you able to use Excel and gear BI to achieve genuine insights into your details? As you learn your info, how do you write a formulation that gives the numbers you wish? The solutions to either one of those questions lie with the information version. This publication introduces the fundamental innovations for shaping info versions in Excel and tool BI. It’s intended for readers who're new to info modeling in addition to for knowledgeable facts modelers searching for assistance from the specialists. in an effort to use strength BI or Excel to research info, the numerous real-world examples during this ebook may also help you examine your studies in a distinct way–like skilled information modelers do. As you’ll quickly see, with the appropriate information version, the right kind solution is usually an easy one!
By analyzing this booklet, you will:
• achieve an realizing of the fundamentals of information modeling, together with tables, relationships, and keys
• make yourself familiar with famous person schemas, snowflakes, and customary modeling techniques
• examine the significance of granularity
• realize how you can use a number of truth tables, like revenues and purchases, in a fancy info model
• deal with calendar-related calculations through the use of date tables
• tune old attributes, like past addresses of consumers or supervisor assignments
• Use snapshots to compute volume on hand
• paintings with a number of currencies within the best way
• examine occasions that experience intervals, together with overlapping durations
• examine what facts version you must resolution your particular company questions
About This Book
• For Excel and gear BI clients who are looking to take advantage of the complete strength in their favourite tools
• For BI execs looking new rules for modeling data
Read or Download Analyzing Data with Power BI and Power Pivot for Excel (Business Skills) PDF
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Analyzing Data with Power BI and Power Pivot for Excel (Business Skills) by Alberto Ferrari,Marco Russo