一个元组(tuple)是若干个字段的有序集合(order set),在pig的数据结构中,用()扩起来标识一个元组 一个字段(field)是列数据(data)的标识;
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total order set 全序集
Pre-Order Set 预购套装
whole order set 全序集
Partial Order Set or Domain 偏序集
set in order 排列 ; 放置 ; 整顿
generalized l-fuzzy partial order set 广义l
at order set at命令集
semi-order set 半序集
好的。我可以点中午套餐吗?
好的。我可以点中午套餐吗? ?
For example, if you manage data in hash tables or other unordered data structures in the application domain, you might face additional work re-assembling elements into the order set by a schema.
比方说,如果在应用领域采用哈希表或者其他无序数据结构管理数据,可能会面临着将元素按照模式中的顺序设定重新装配的额外工作。
Instead,the leaders said they will order their finance ministers to develop a set of "indicative guidelines" early next year.
VOA: special.2010.11.13
Milton tells himself to run, and naturally he would have to run fast indeed in order to arrive at a moment in time that had already occurred before he even set out!
弥尔顿告诉自己要跑起来了,而且他也确实不得不跑的很快,从而准时到达,他刚出发时就已经存在的目的地!
We're going to build up this taxonomy if you like, but the reason it's relevant is, associated with each one of those types is a set of operators that expect certain types of input in order to do their job.
我们将会建立这种分类,但是这相关的原因是,对于每种类型都有,和之对应的一个操作集,这个操作机对一些输入,做出规定的操作。
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