All DOC_IDs are unique to meet the foreign key constraints.
所有DOC_ID都是惟一的,以满足外键约束。
Adding or dropping unique, distinct, or foreign key constraints.
添加或删除惟一、独特或外键约束。
You can use similar definitions to define foreign key constraints on usa.item_supplied nickname.
可以使用类似的定义来定义usa . item_supplied昵称上的外键约束。
You can use similar definitions to define foreign key constraints on usa.item_supplied nickname.
可以使用类似的定义来定义usa . item_supplied昵称上的外键约束。
应用推荐