# JoinKeyPropertiesProperty

Properties associated with the columns participating in a join.

- Source: Generated code
- Type last changed: v2.93.0 · 23 Aug 2023

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_quicksight as quicksight } from 'aws-cdk-lib';
const joinKeyPropertiesProperty: quicksight.CfnDataSet.JoinKeyPropertiesProperty = {
  uniqueKey: false,
};
```

## Properties

- `uniqueKey`: boolean | [IResolvable](/cdk/api/v2/docs/aws-cdk-lib.IResolvable.html) — A value that indicates that a row in a table is uniquely identified by the columns in a join key.

  This is used by Quick to optimize query performance.