A secondary index in a pair of indexes used to locate a particular file record. The higher or mass index would often be considered the coarse index.

用来查找特定文件记录的一对索引中的第二级索引。高一级的或涉及量大的索引通称为粗索引。

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A secondary index in a pair of indexes used to locate a particular file record. The higher or mass index would often be considered the coarse index.

用来查找特定文件记录的一对索引中的第二级索引。高一级的或涉及量大的索引通称为粗索引。

youdao