This example is more flexible, as it allows users to enter any file they want to search for in any directory.
这个脚本更灵活，因为它允许用户指定要搜索的任何文件和任何搜索目录。
2
External file storage is more flexible but does not benefit from database-managed persistency and integrity.
外部文件存储更为灵活，但是无法从数据库管理的持久性和完整性中获益。
3
Using the fine-gained file update feature, you can have a more flexible application file across the cluster, and avoid introducing a new single point of failure.