SPARQL 代码的下一行描述了查询请求。

The next line of the SPARQL code describes the query request.

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实际上，在这里只修改了index方法中的第一行：finder查询。

Actually, all that was changed here is the first line in the index method: the finder query.

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对于只涉及少量到中等数量的行的查询，两个测试数据库之间的性能差异可以忽略不计。

For queries that touch only a small to medium number of rows, the performance difference between the two test databases was negligible.

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