referential integrity

Add the code to enforce referential integrity.

添加代码以强制实施参照完整性.

Describes requirements for enforcing referential integrity and the effect this has on database users.

说明强制引用完整性的要求以及对数据库用户的影响.

Do not include any clauses defining declarative referential integrity constraints.

不要包括可定义声明引用完整性约束的子句。

STEP E: Define appropriate referential integrity constraints between the fact table and the three dimension tables.

第5步：在事实表和3个维度表之间建立正确的引用完整性约束。

Create triggers to enforce referential integrity.

创建用于实施参照完整性的触发器.

Delete a foreign key constraint when you want to remove the requirement to enforce referential integrity.

如果想要移除对强制引用完整性的要求,则可删除外键约束.

The tables listed in bold are related to the filtered table referential integrity enforced.

以粗体列出的表与过滤器表具有实施参照完整性关系.

During such operations, the database also maintains referential integrity constraints.

重用表中的空闲空间，新旧数据交叉存放，维持完整性约束。

Referential integrity between tables is enforced by default when you create a relationship.

创建关系时,默认情况下将强制表与表之间的引用完整性.

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.

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.

A foreign key is a constraint that enforces referential integrity.

外键是强制引用完整性的约束.

Also, the Q Apply program does not drop referential integrity constraints on nicknames during the loading process and then restore them.

同样，在执行装入操作期间，Q Apply程序也不删除别名上的参照完整性约束，并在这之后恢复它们。

You need to add the code to enforce referential integrity.

需要添加实施参照完整性的代码.

Referential integrity constraints are not replicated, indexes are optionally replicated.

不会复制引用完整性约束，可以选择复制索引。

You can change the conditions under which referential integrity is enforced by editing the relationship's properties.

通过编辑关系的属性,可以更改强制引用完整性的条件.