SQL语句中,SELECT命令中的JOIN是用来建立表间的联系短语,连接条件应出现在下列(  )短语中。

【答案】:B

从SELECT标准语句的完整语法格式中抽出与连接运算相关的语法格式如下:

SELECT…

FROM<数据库表1>INNER JOIN<数据库表2>

0N<连接条件>

WHERE…

其中,INNER JOIN等价于JOIN,为普通的连接,在Visual FoxPro中称为内部连接;0N<连接条件>指定两个进行表连接的条件字段。

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