nested loop造句

1、Update bill_items ; sequential scan of bill_items with a nested loop read of customer.
更新bill_items(58秒)；利用对customer的嵌套循环读取，来顺序扫描bill_items。

2、Nested loop join with sort composite.
使用复合排序的嵌套循环联接(NLJOIN)。

3、There is a nested loop join of the insert to an index scan.
其中有一个insert（步骤5）与索引扫描（步骤7）之间的嵌套循环连接（NLJOIN，步骤4 ）。

4、This is a lot faster than a nested loop join of two table scans without any index usage.
这比不使用任何索引的两个表扫描的嵌套循环连接要快得多。

5、The 3 tables in QB1 are joined with nested loop join.
QB 1中三个表用嵌套循环(NLJ)连接。

6、Update bills ; sequential scan of bills with a nested loop read of bill_items.
更新bills(5秒)；利用对bill_items的循环嵌套读取来顺序扫描。

7、Because of how nested loop joins work, the second leg is executed per outer table record.
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)。

8、Here's what happens at execution time for the first leg of the nested loop join.
以下是在执行嵌套循环联接的第一步时将发生的操作。

9、Contrarily to the nested loop join, indexes are no longer so important.
与嵌套循环联接相反，索引不再是非常重要的了。

10、This type of access path is referred to as a nested loop join with sort composite.
这种类型的访问路径被称为使用复合排序的嵌套循环联接(NLJOIN)。

11、Therefore, in Figure 7 the optimizer chooses to sort the composite for the nested loop join.
因此，在图7中优化器选择排序嵌套循环联接的复合物。

12、Also, the nested loop join method is used to join the source and target tables.
而且，嵌套循环联接方法用于联接源表与目标表。

nested loop翻译