September 2017
Intermediate to advanced
802 pages
37h 6m
English
Content preview from Microsoft Power BI Cookbook
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Nested join versus flat join
- In implementing the table joins, you can choose to use the Table.Join() and Table.NestedJoin() functions
- All six join types are supported by both functions: inner, left outer, right outer, full outer, left anti, right anti
- Table.NestedJoin() enters the results of the join (the right or second table) into a new column of table values and will use local resources to execute the join operation, unless the Table.ExpandTableColumn() function is used to replace this new column with columns from the right table
- A left outer join type is the default if the JoinKind parameter is not specified.
- Table.Join() automatically expands the left table with the columns from the right table input (a flat join) and defaults to an ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.