A foreign - key constraint can implement referential integrity between parent and child tables.
外部索引键条件约束可于父和子资料表之间实作参考完整性.
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A foreign key constraint allows you to define referential integrity between a parent and child table.
外键约束允许您定义父表和子表之间的引用完整性.
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First, Mr Dawkins wants to subvert the mode of transmission between parent and child.
首先, 道金欲推翻父母同子女间传输信息的模式.
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Instead, the relation tracks the relationship between tables and keeps parent and child records in synch.
然而, 关联会追踪资料表之间的关联性,并且使父和子资料录保持同步.
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