Data Hoarding is a key issue in mobile database. It will support the autonomy operation of mobile hosts when they are disconnected from servers by prefetching important data into local cache.

数据收集是移动数据库中的一个关键问题，将数据收集到移动客户机的缓存中，使客户机在断接期间使用本地数据自主操作，提高了数据的可用性。

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Research from the Organisation for Economic Co-operation and Development (OECD) indicates Scotland and Indonesia are alone in giving schools full autonomy over the curriculum.

BBC: A year in Scotland's education