行定位器 meaning in Chinese

line finder

For a heap , a row locator is a pointer to the row
对于堆，行定位器是指向行的指针。
For a clustered table , the row locator is the clustered index key
对于聚集表，行定位器是聚集索引键。
The pointer from an index row in a nonclustered index to a data row is called a row locator
从非聚集索引中的索引行指向数据行的指针称为行定位器。
The structure of the row locator depends on whether the data pages are stored in a heap or a clustered table
行定位器的结构取决于数据页是存储在堆中还是聚集表中。