文章列表
Why to use foreign keys with no action on delete or update(为什么要使用外键而不执行删除或更新操作)
Should I use foreign keys?(我应该使用外键吗?)
Foreign keys and NULL in mySQL(mySQL中的外键和NULL)
Foreign keys in alternate schemas with Oracle?(使用 Oracle 的备用模式中的外键?)
FK on a single column referencing a column from composite PK(单个列上的 FK 引用复合 PK 中的列)
How do I find relations between tables that are long-distance related? MySQL(如何找到远程相关的表之间的关系?MySQL)
Why do I need to use foreign key if I can use WHERE?(如果可以使用 WHERE，为什么还需要使用外键?)
MySQL with Soft-Deletion, Unique Key and Foreign Key Constraints(具有软删除、唯一键和外键约束的 MySQL)
Exact Meaning of MySQL#39;s Foreign Key #39;on delete restrict#39; Clause(MySQL的外键on delete restrict子句的确切含义)
SQL Server 2008: The columns in table do not match an existing primary key or unique constraint(SQL Server 2008:表中的列与现有的主键或唯一约束不匹配)
