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我有一张名为 Vehicles 的表。而这张表有8个属性:
我应该使用 Vehicle ID 作为 PK 还是 reg_no 作为 PK?
由于该表称为车辆,我会说车辆 ID。但这也取决于车辆是否多次输入数据库的事实,例如多个所有者。