计算机术语“relational query”的中英文意思、释义、翻译及用法-计算机英汉双解词典

术语	relational query
释义	relational query 关系询问 A request for information from a database that specifies a number of criteria for the search, some of which use relational operators or specify relations amongst the information being sought. For example, a manager who wants to reduce his staff may perform a relational query on his personnel database to find the names of all employees who have worked less than 5 years and who earn more than a given sum of money. 对数据库中的信息提出的一种请求，它规定若干检索准则，其中有些准则使用关系运算符或规定被检索的信息之间的关系。例如，一名经理想裁减他的雇员，可以对他的人员数据库执行这样一个关系查询：在他的所有雇员中找出工作不满五年、薪水超过某一给定额的雇员姓名。参阅relational operator。
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