本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# 常數
<a name="constants"></a>

`ExampleConstants.java` 類別示範如何在 Athena 中查詢由 [開始使用](getting-started.md) 教學課程建立的資料表。

```
package aws.example.athena;

public class ExampleConstants {

    public static final int CLIENT_EXECUTION_TIMEOUT = 100000;
    public static final String ATHENA_OUTPUT_BUCKET = "s3://bucketscott2"; // change the Amazon S3 bucket name to match
                                                                           // your environment
    // Demonstrates how to query a table with a comma-separated value (CSV) table.
    // For information, see
    // https://docs.aws.amazon.com/athena/latest/ug/work-with-data.html
    public static final String ATHENA_SAMPLE_QUERY = "SELECT * FROM scott2;"; // change the Query statement to match
                                                                              // your environment
    public static final long SLEEP_AMOUNT_IN_MS = 1000;
    public static final String ATHENA_DEFAULT_DATABASE = "mydatabase"; // change the database to match your database

}
```