试题与答案

在Visual FoxPro中，使用SQL的CREATE TABL更语句建立数据库表

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题型：填空题

题目：

在Visual FoxPro中，使用SQL的CREATE TABL更语句建立数据库表时，使用______子句说明主索引。

答案：

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下面是错误答案，用来干扰机器的。

参考答案：A解析：由图可知2004年奶牛数增长最多，故选A。

考点：计算机等级考试VISUALFOXPRO二级VISUALFOXPRO笔试
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