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In the March issue I answered a problem from Michael Cooke who has an Access database that includes the following four fields: Surname, Forename, Nickname, Birthday. He wanted to produce an answer table that contained conditional data. In other words, it would show the person's nickname if one exists for a particular record, otherwise it would show their forename. I solved this by creating a user-defined module because: 'SQL doesn't allow you to do this. As far as I am aware you can't directly embed a conditional statement like this into a standard SQL query.'
机译:在三月号中,我回答了迈克尔·库克(Michael Cooke)的一个问题,他的Access数据库包括以下四个字段:姓,名,昵称,生日。他想产生一个包含条件数据的答案表。换句话说,如果存在某条特定记录,它将显示该人的昵称,否则将显示其姓氏。我通过创建用户定义的模块来解决此问题,因为:'SQL不允许您执行此操作。据我所知,您不能将这样的条件语句直接嵌入到标准SQL查询中。”

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