ORACLE implicitly repeats the FETCH until all the rows from the cursor are consumed and stores each row in an element of the array.

ORACLE隐式重复FETCH，直到使用了来自游标的所有行并将每一行存储在阵列的一个元素中。

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From here on out, until the cache expires, you will be able to fetch the result array directly out of cache, skipping over the SQL query.

从这里开始，直到缓存到期，您就能够直接从缓存中获取结果数组，跳过SQL查询。

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POP(), for instance, could be implemented as a FETCH() of the last element, followed by STORESIZE(FETCHSIZE()-1) (setting the size of the array to be one less, effectively removing the last element).

例如，可以这样实现 POP() ：对最后一个元素使用 FETCH() ，然后使用 STORESIZE(FETCHSIZE()-1) （将数组的大小减去 1，实际除去了最后一个元素）。

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