... query station[计]查询台;[计]查询站 associative query相联查询 conjunctive query合取查询 ...
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You define your database format with three tables, and proceed to query them, showing that you can both emulate traditional SQL SELECT, and also provide an associative lookup.
定义一个具有3个表的数据库,然后对它们进行查询,既可以模仿传统的SQL SELECT,也可以进行关联查找。
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