能否建立一个有一栏但无数据类型的表格? 是否有办法间接这样做? 如果是,请让我举一个例子。
就我所知,只有一栏的数据类型不是表格。
您指的是没有一栏的表格吗?
或者,你指的是没有具体数据类型的一栏?
更有一点好处。
无Oracle栏总有数据类型,例如NUMBER、DATE、VARCHAR2、LOB。
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