引用完整性规则 meaning in English

reference integrity rule
y rule

Referential integrity rules
引用完整性规则
As part of the foreign - key constraint , you can specify referential integrity rules that are applied at three points
作为外键约束的一部分，可以指定在三个时候应用的引用完整性规则：
Otherwise , the database is likely to raise an error because referential integrity rules will prevent you from deleting a parent record while related child records still exist
否则，数据库很可能引发错误，因为引用完整性规则将阻止您在相关子记录仍存在的情况下删除父记录。