Tableau

 Day 1 4 May 2017 Tableau Tableau is an analytics tool which allows us to visualize data in various formats in order to analyze business trends. The current version of Tableau is 10.2. We can download tableau desktop from www.tableau.com. The very first page tableau displays is the connect page. It shows the number of technologies/databases tableau can connect to. Above image shows the types of databases we can connect to. Data Source tab Excel: If we connect to Excel file,e.g. Sample- Superstore.xlsx, we will be directed to the next screen called Data source tab. On the Top left corner it shows the excel sheets name as Sample - Superstore. Right below it lists all the worksheets inside that excel sheet. e.g. Orders, People, Returns. Each worksheet is considered as one table in tableau. Following image shows us  that Orders table is taken as a source here. Thus all column of orders table will be visible. Preview data source button: When we click t...