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- The database server verifies referential integrity by counting orphans. 数据库服务器通过计算遗孤数来校验参照完整性。
- Ensure that the Enforce Referential Integrity check box is selected. 确保“实施参照完整性”复选框已选中。
- Constraints support domain integrity, entity integrity, and referential integrity, as well as user-defined integrity. 约束支持域完整性、实体完整性、引用完整性以及用户定义完整性。
- You can also set the join type, or enforce referential integrity and choose a cascade option. 还可以设置联接类型,或实施参照完整性,以及选择级联选项。
- Also, the relationship might enforce a set of rules called referential integrity. 此外,关系会实施一组称为参照完整性的规则。
- As a tester, the first thing to do is find out how referential integrity is being maintained in your database. 作为一名测试人员,你要做的第一件事就是明确你要测试的数据库的引用完整性是用何种手段进行维护的。
- Used to verify a certain condition (insure that a scalar subquery returns one row, validate referential integrity, etc). 用于验证特定条件(确保标量子查询返回一行,验证引用完整性等)。
- A relationship that does not enforce referential integrity appears as a thin line between the common fields supporting the relationship. 不实施参照完整性的关系在支持该关系的公共字段之间显示为细线。
- The Analysis Services service can now use settings for each hierarchy in a dimension to determine how to handle referential integrity issues. Analysis Services服务现在可以使用维度中每个层次结构的设置来确定如何处理引用完整性问题。
- To make sure your data is not out of sync, you can enforce referential integrity between the titles and publishers tables. 为确保数据不失去同步,可以在titles和publishers表之间强制引用完整性。
- INSTEAD OF UPDATE and DELETE triggers are not allowed on tables that are targets of cascaded referential integrity constraints. 不允许在作为级联引用完整性约束目标的表上使用INSTEAD OF UPDATE和DELETE触发器。
- The DRI actions enforced by FOREIGN KEY constraints can be supplemented with additional referential integrity logic defined in triggers on a table. 可以对FOREIGN KEY约束所强制执行的DRI操作补充表的触发器中定义的其他引用完整性逻辑。
- Triggers are often created to enforce referential integrity or consistency among logically related data in different tables. 通常创建触发器是为了强制不同表中逻辑相关数据之间的引用完整性或一致性。
- Table relationships are the foundation upon which you can enforce referential integrity to help prevent orphan records in your database. 可以将表关系作为基础来实施参照完整性,这样有助于防止数据库中出现孤立记录。
- If the line appears solid, the DBMS enforces referential integrity for the relationship when rows are added or modified in the foreign-key table. 如果为实线,则在外键表中添加或修改行时,DBMS将强制关系的引用完整性。
- This procedure modifies that code to send updates in the proper order to eliminate the possibility of raising referential integrity errors. 本过程将修改该代码以按正确的顺序发送更新内容,从而消除产生引用完整性错误的可能性。
- You enforce referential integrity by enabling it for a table relationship (see Enforce referential integrity for step-by-step instructions). 可以通过为表关系启用参照完整性来实施参照完整性(请参阅实施参照完整性,以了解详细步骤)。
- Furthermore, dropping all the data in one table can have a cascading effect and can cause other referential integrity violations. 此外,删除某个表中的所有数据可能会产生级联影响,并可能会导致其他引用完整性被破坏。
- Depending on which methods your database developers have used, the database will be vulnerable to different sorts of referential integrity issues. 根据数据库开发人员所使用手段的不同,应用程序的数据库将会经受不同程度的引用完整性的问题。
- Deleting an object causes the data stored in the underlying objects to be dropped, and may also cause other data to be dropped if referential integrity errors occur. 删除对象会导致存储在基础对象中的数据被删除,并且如果出现引用完整性错误,则还会导致其他数据被删除。