The master table has all of the columns of the parent and all subclasses.
主表具有父类和子类的所有列。
The Patek Philippe is concerned with the master table, every table is unique.
百达翡丽与有关主表,每个表都是独一无二的。
I want to validate values of few columns with corresponding values in master table.
我要与主表的对应值验证几列的值。
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