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Operating System Market Shares Net Applications report posted on CNNMoney.com on November 1, 2009. http://brainstormtech.blogs.fortune.cnn.com/2009/ 11/01/mac-share-grew-after-windows-7-debut/ • Info in an Excel spreadsheet and a relational database (Access) appears in the form of a two dimensional table of rows and columns. • By adding a Page Field to a Pivot Table, you can add another dimension of information: 3-D (rows and columns and layers). – Creating a 3-dimensional Pivot Table in Excel is a means of conceptually building a data warehouse. Page fields represent the depth layer • Pivot Tables can help you see relationships in the data