# QueryExecutionContext

Database and data catalog context in which the query execution occurs.

- Source: [`aws-stepfunctions-tasks/lib/athena/start-query-execution.ts`](https://github.com/aws/aws-cdk/blob/v2.275.0/packages/aws-cdk-lib/aws-stepfunctions-tasks/lib/athena/start-query-execution.ts#L373)

## Example

```ts
const startQueryExecutionJob = new tasks.AthenaStartQueryExecution(this, 'Start Athena Query', {
  queryString: sfn.JsonPath.stringAt('$.queryString'),
  queryExecutionContext: {
    databaseName: 'mydatabase',
  },
  resultConfiguration: {
    encryptionConfiguration: {
      encryptionOption: tasks.EncryptionOption.S3_MANAGED,
    },
    outputLocation: {
      bucketName: 'amzn-s3-demo-bucket',
      objectKey: 'folder',
    },
  },
  executionParameters: ['param1', 'param2'],
});
```

## Properties

- `catalogName`: string — Name of catalog used in query execution.

  **Default:** No catalog

- `databaseName`: string — Name of database used in query execution.

  **Default:** No database