The computing efficiency of path expression mostly depends on it's size in the methods of path join.
在路径连接方法中路径表达式的计算效率很大程度上依赖于路径表达式的长度。
This type of access path is referred to as a nested loop join (NLJOIN) 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)。
A new feature of the query optimizer supports a new type of index scan, called an index self-join path.
查询优化器的一项新特性支持一种新的索引扫描,即索引自连接路径。
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