Edit

CROSSJOIN

  • Article

Returns a table that contains the Cartesian product of all rows from all tables in the arguments. The columns in the new table are all the columns in all the argument tables.

Syntax

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

Parameters

Term Definition
table Any DAX expression that returns a table of data

Return value

A table that contains the Cartesian product of all rows from all tables in the arguments.

Remarks

  • Column names from table arguments must all be different in all tables or an error is returned.

  • The total number of rows returned by CROSSJOIN() is equal to the product of the number of rows from all tables in the arguments; also, the total number of columns in the result table is the sum of the number of columns in all tables. For example, if TableA has rA rows and cA columns, and TableB has rB rows and cB columns, and TableC has rC rows and cC column; then, the resulting table has rA × rb × rC rows and cA + cB + cC columns.

  • This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules.

Example

The following example shows the results of applying CROSSJOIN() to two tables: Colors and Stationery.

The table Colors contains colors and patterns:

Color Pattern
Red Horizontal Stripe
Green Vertical Stripe
Blue Crosshatch

The table Stationery contains fonts and presentation:

Font Presentation
serif embossed
sans-serif engraved

The expression to generate the cross join is presented below:

CROSSJOIN( Colors, Stationery)

When the above expression is used wherever a table expression is expected, the results of the expression would be as follows:

Color Pattern Font Presentation
Red Horizontal Stripe serif embossed
Green Vertical Stripe serif embossed
Blue Crosshatch serif embossed
Red Horizontal Stripe sans-serif engraved
Green Vertical Stripe sans-serif engraved
Blue Crosshatch sans-serif engraved