By Alberto Ferrari,Marco Russo
Renowned DAX specialists Alberto Ferrari and Marco Russo educate you the way to layout facts versions for optimum potency and effectiveness.
How are you able to use Excel and tool BI to realize actual insights into your info? As you research 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 ebook introduces the elemental strategies for shaping facts versions in Excel and gear BI. It’s intended for readers who're new to facts modeling in addition to for skilled facts modelers trying to find suggestions from the specialists. with a view to use strength BI or Excel to research facts, the numerous real-world examples during this booklet can help you examine your experiences in a special way–like skilled information modelers do. As you’ll quickly see, with the proper info version, the right kind resolution is usually an easy one!
By studying this ebook, you will:
• achieve an knowing of the fundamentals of knowledge modeling, together with tables, relationships, and keys
• make yourself familiar with superstar schemas, snowflakes, and customary modeling techniques
• research the significance of granularity
• detect tips on how to use a number of truth tables, like revenues and purchases, in a posh info model
• deal with calendar-related calculations by utilizing date tables
• song old attributes, like earlier addresses of shoppers or supervisor assignments
• Use snapshots to compute volume on hand
• paintings with a number of currencies within the most productive way
• learn occasions that experience intervals, together with overlapping durations
• study what info 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
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Analyzing Data with Power BI and Power Pivot for Excel (Business Skills) by Alberto Ferrari,Marco Russo