December 2016
Beginner to intermediate
504 pages
10h 40m
English
Content preview from Tableau Cookbook - Recipes for Data VisualizationBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Understanding Multiple Table Join across databases
In the previous recipe, we saw how to connect to a single database which was an Access file named Sample - Coffee Chain.mdb or Sample - CoffeeChain (Use instead of MS Access).xlsx and join multiple tables within it. There could also be instances where the data resides in multiple data sources. For example, the transactional sales data could be getting captured in, let's say, a SQL database and the yearly/monthly budgets are defined in Excel. In this situation, Excel is one data source and SQL is another data source. In order to see whether the targets were met or not, we would be required to get data from both Excel as well as SQL.
Cross-database Joins help us make Joins across multiple databases ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.