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# JoinKind

An operation type that joins two data frame types.

```
enum JoinKind
```

## Topics

### Keeping only matching rows

[`case inner`](/documentation/TabularData/JoinKind/inner)

A join kind that only contains rows with matching values in both data frame types.

### Keeping unmatched rows

[`case left`](/documentation/TabularData/JoinKind/left)

A join kind that contains all rows from the left data frame type,
and only the rows with matching values from the right data frame type.

[`case right`](/documentation/TabularData/JoinKind/right)

A join kind that contains all rows from the right data frame type,
and only the rows with matching values from the left data frame type.

[`case full`](/documentation/TabularData/JoinKind/full)

A join kind that contains every row from both data frame types.

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

---

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