Cache tables are similar to MQTs with the restriction that a cache table supports only non-aggregate queries over a single table.
缓存表类似于具有以下限制的MQT，即缓存表只支持单个表上的非聚集查询。
A Web page displays the data, such as table-cache usage, key efficiency, connected clients, and temporary-table usage.
有一个Web页面会显示这些数据，例如表缓存的使用情况、关键字效率、连接上的客户机以及临时表的使用情况。
When a work table is dropped, two pages may remain allocated and they are returned to the work table cache.
工作表被删除后，这两页可能会保持分配状态并返回到工作表缓存中。
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