你们是否可以知道,我如何确定一个实体是否在其他实体提及该实体?
我说,如果某个主要人物是某些表格的外在钥匙,我就可以检查。
我只想把一个实体的标注为“被删除(它的财产)”,如果它没有从另一个表格中提及它的话,我就想避免实际去除。
感谢你,
你们是否可以知道,我如何确定一个实体是否在其他实体提及该实体?
我说,如果某个主要人物是某些表格的外在钥匙,我就可以检查。
我只想把一个实体的标注为“被删除(它的财产)”,如果它没有从另一个表格中提及它的话,我就想避免实际去除。
感谢你,
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