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hibernate 繼承結構中每個子類單獨一張表 union-subclass
01-15
hibernate 繼承映射 SubClass joined-subclass union-subclass
![繼承結構中每個子類單獨一張表[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)