Understanding / mySQL aka tricking ForeignKey relationships in Django(理解/mySQL 又名欺骗 Django 中的 ForeignKey 关系)

Does MySQL InnoDB always require an index for each foreign key constraint?(MySQL InnoDB 是否总是需要每个外键约束的索引?)

MySQL composite unique on FK#39;s(FK 上独一无二的 MySQL 组合)

Can the same column have primary key amp; foreign key constraint to another column(同一列可以有主键 amp;对另一列的外键约束)

Support for foreign key constraint in Rails(在 Rails 中支持外键约束)

Drop foreign key only if it exists(仅当存在外键时才删除它)

How to use MySQL index columns?(如何使用 MySQL 索引列?)

mysql Multiple Foreign Keys in a Table to the Same Primary Key(mysql 一个表中的多个外键指向同一个主键)

How to list tables in their dependency order (based on foreign keys)?(如何按依赖顺序列出表(基于外键)?)

Mysql create table with multiple foreign key on delete set null(Mysql在删除集null时创建具有多个外键的表)

Can SQLAlchemy automatically create relationships from a database schema?(SQLAlchemy 可以自动从数据库模式创建关系吗?)

Can someone explain MySQL foreign keys(有人可以解释MySQL外键吗)

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?)

Multiple relationships between two entities, is this good practice?(两个实体之间的多重关系，这是一种好习惯吗?)

FOREIGN KEY ON DELETE RESTRICT Error - Oracle(FOREIGN KEY ON DELETE RESTRICT 错误 - Oracle)

Introducing FOREIGN KEY constraint #39;c_name#39; on table #39;t_name#39; may cause cycles or multiple cascade paths(在表 t_name 上引入 FOREIGN KEY 约束 c_name 可能会导致循环或多个级联路径)

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)