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如果满足下列条件，优化器将选择嵌套循环连接。 The optimizer will choose nested-loop joins if. | ||
而且，嵌套循环联接方法用于联接源表与目标表。 Also, the nested loop join method is used to join the source and target tables. | ||
最常用的连接方法就是嵌套循环连接、分类合并连接和动态哈希连接。 The most commonly used join methods are nested-loop join, sort merge join and dynamic hash join. | ||
因为嵌套循环联接的工作方式，所以每隔一个外部表记录执行第二步(共4个节点)。 Because of how nested loop joins work, the second leg (there are four nodes) is executed per outer table record. | ||
您还可以在嵌套对象中做到这一点。 You can do this with a nested business object as well. | ||
请注意，是如何根据元素嵌套来缩进结构的。 Note how the structure is indented based on element nesting. | ||
在实际运用中，嵌套和粒度之间应该有一个平衡。 In practical use, there should be a balance between nesting and granularity. | ||
根元素中嵌套有几个其他元素，如清单3所示。 Several elements are nested inside the root element, as in Listing 3. | ||
存储数据的主要方法是将数据存储在嵌套标记中。 The primary way to store the data is inside nested tags. | ||
在TDT中，你可以看到嵌套数据的两个测试动作块。 In the TDT you'll see two test action blocks with nested data. | ||
