---
title: MLDataTable.JoinType.outer
framework: createml
role: symbol
role_heading: Case
path: createml/mldatatable/jointype/outer
---

# MLDataTable.JoinType.outer

An operation that is the union between a left join and a right join.

## Declaration

```swift
case outer
```

## See Also

### Selecting a joining operation

- [MLDataTable.JoinType.inner](createml/mldatatable/jointype/inner.md)
- [MLDataTable.JoinType.left](createml/mldatatable/jointype/left.md)
- [MLDataTable.JoinType.right](createml/mldatatable/jointype/right.md)