问题 填空题

根据对数据源操作方式和结果的不同,查询可以分为5类:选择查询、交叉表查询、 【7】 、操作查询和SQL查询。

答案

参考答案:参数查询

解析:[知识点] 查询的基本操作/查询分类[评析] 根据对数据源操作方式和结果的不同,查询可以分为5类:选择查询、交叉表查询、参数查询、操作查询和SQL查询。选择查询是Access数据库中最常见的查询类型,它是根据指定的查询准则,从一个或多个表中获取数据并显示结果。也可以使用选择查询对记录进行分组,并且对记录进行总计、计数、平均以及其他类型的计算。交叉表查询将来源于某个表中的字段进行分组,一组列在数据表的左侧,一组列在数据表的上部,然后在数据表行与列的交叉处显示表中某个字段统计值。参数查询是一种利用对话框来提示用户输入准则的查询。操作查询与选择查询相似,都是由用户指定查找记录的条件,但选择查询是检查符合特定条件的一组记录,而操作查询是在一次查询操作中对所得结果进行编辑等操作。SQL查询就是用户使用SQL语句来创建的一种查询。

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信息匹配。

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单项选择题 B型题