By Alberto Ferrari,Marco Russo
Renowned DAX specialists Alberto Ferrari and Marco Russo train you ways to layout info versions for optimum potency and effectiveness.
How are you able to use Excel and gear BI to realize genuine insights into your info? As you research your facts, how do you write a formulation that offers the numbers you wish? The solutions to either one of those questions lie with the information version. This e-book introduces the elemental suggestions for shaping information types in Excel and tool BI. It’s intended for readers who're new to information modeling in addition to for skilled information modelers searching for assistance from the specialists. that allows you to use strength BI or Excel to investigate facts, the various real-world examples during this publication might help you examine your stories in a special way–like skilled facts modelers do. As you’ll quickly see, with the appropriate info version, the right kind resolution is usually an easy one!
By examining this booklet, you will:
• achieve an figuring out of the fundamentals of information modeling, together with tables, relationships, and keys
• make yourself familiar with megastar schemas, snowflakes, and customary modeling techniques
• study the significance of granularity
• detect the best way to use a number of truth tables, like revenues and purchases, in a posh information model
• deal with calendar-related calculations through the use of date tables
• tune 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
• examine occasions that experience intervals, together with overlapping durations
• research what facts version you want to solution your particular company questions
About This Book
• For Excel and gear BI clients who are looking to make the most the whole strength in their favourite tools
• For BI execs looking new principles for modeling data
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Analyzing Data with Power BI and Power Pivot for Excel (Business Skills) by Alberto Ferrari,Marco Russo