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使用游标过程中如何 commit
有时候需要处理的数据量太大,内存可能不足,需要分批处理。 可以考虑使用游标,一部分一部分的取,取出来一部分处理一部分。 这个过程中,有个限制,就是一般来说,游标打开后,使用了commit 或者roll back会自动关闭游标,再次执行的时候会dump ...
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