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You are here: Home / CM Tooltip Glossary Pro+ / CROSSJOIN

CROSSJOIN

posted on December 19, 2017

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Syntax

CROSSJOIN(<table>, <table>[, <table>]…)

Tutorial with example

In today’s video I will show you how to do a full join using DAX.

DAX Fridays! #61: CROSSJOIN

Want to learn more about other types of join possible in Power BI?

In the video below, I go through all the different types of joins and how to do them in Power Query:

Explain the different types of join/merge available in Power BI/ Excel

Download the excel demo file

Joins using DAX:

join tables with dax

And the explanation with videos:

he generate function is used to join tables. With generate, you can do an inner join and outer join of tables using DAX:

GENERATE, GENERATEALL:

DAX Fridays! #64: GENERATE, GENERATEALL

NATURALINNERJOIN, NATURALLEFTOUTERJOIN:

04:35 Innerjoin
07:59 Outer join

DAX Fridays! #62: NATURALINNERJOIN and NATURALLEFTOUTERJOIN

In this video I will show you how to do an anti join of tables using DAX:

EXCEPT:

DAX Fridays! #65: EXCEPT

Download example file:

Link to sample pbix here

Remarks

There is no sort order guarantee for the results.
Columns being joined on must have the same data type in both tables.
Only columns from the same source table (have the same lineage) are joined on. For example, Products[ProductID], WebSales[ProductdID], StoreSales[ProductdID] with many-to-one relationships between WebSales and StoreSales and the Products table based on the ProductID column, WebSales and StoreSales tables are joined on [ProductID]
Strict comparison semantics are used during join. There is no type coercion; for example, 1 does not equal 1.0.

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Related Articles:
  • Joining tables in Power BI with Power Query and DAX
See Also:
  • EXCEPT
  • GENERATE
  • GENERATEALL
  • NATURALINNERJOIN
  • NATURALLEFTOUTERJOIN
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