他的义父两年前去世了。
外键约束允许您定义父表和子表之间的引用完整性。
A Foreign key constraint allows you to define referential integrity between a parent and child table.
露茜·费瑞厄在这个木屋中长大片来，她帮助义父处理一切事务。
Lucy Ferrier grew up within the log-house, and assisted her adopted father in all his undertakings.
配置H -Join以使用内存中算法—在H - JoinStep中，定义父列表和子列表后，有一个选项来选择应使用的算法。
Configure the H-Join to use in-memory algorithm - in the H-Join Step, after defining the parent and child lists, there is an option to select the algorithm that should be used.
配置H -Join以使用内存中算法—在H - JoinStep中，定义父列表和子列表后，有一个选项来选择应使用的算法。
Configure the H-Join to use in-memory algorithm - in the H-Join Step, after defining the parent and child lists, there is an option to select the algorithm that should be used.
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