The storage for the cache can be either automatic, which stores the results to a file, or user-specified, in which case the end user can choose a supported database to store the cache results.
缓存的存储可以是自动的，结果将存到文件中，也可以由用户指定，这样终端用户可以选择支持的数据库保存缓存结果。
Note that if the results from the cache are likely to be subjected to filtering or sorting, you should select a user-specified database as the storage option.
请注意，如果缓存结果满足筛选或排序，应当选择用户指定数据库为存储选项。
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