# Join

> Supported in: Batch, Faster, Streaming

Joins left and right dataset inputs together.

**Transform categories**: Join

## Declared arguments

* **Join key:** A list of columns from left and right input to join on.<br>*List\<Tuple\<Column\<AnyType>, Column\<AnyType>>>*
* **Join type:** The type of join to perform.<br>*Enum\<Anti join, Cross join, Full outer join, Inner join, Left join, Right join, Semi join>*
* **Left dataset:** Left dataset to use in join.<br>*Table*
* **Right dataset:** Right dataset to use in join.<br>*Table*