Author Description

Power Pivot is a feature of Microsoft Excel. It is available as an add-in in Excel 2010 and 2013, and is included natively in Excel 2016. PowerPivot extends a local instance of Microsoft Analysis Services Tabular that is embedded directly into an Excel Workbook. This allows a user to build a ROLAP model in PowerPivot, and use pivot tables to explore the model once it is built. This allows Excel to act as a Self-Service BI platform, implementing professional expression languages to query the model and calculate advanced measures. PowerPivot primarily uses DAX (Data Analysis Expressions) as its expression language, although the model can be queried via MDX in a row set expression. DAX expressions allow a user to create measures based on the data model, which can summarize and aggregate millions of rows of table data in seconds. DAX expressions resolve to T-SQL queries in the Formula and Storage Engines that drive the data model, abstracting the more verbose and tedious work of writing formal queries to excel-like formula expressions. This updated and expanded second edition of Book provides a user-friendly introduction to the subject, Taking a clear structural framework, it guides the reader through the subject's core elements. A flowing writing style combines with the use of illustrations and diagrams throughout the text to ensure the reader understands even the most complex of concepts. This succinct and enlightening overview is a required reading for all those interested in the subject. We hope you find this book useful in shaping your future career & Business.