更重要的是，您知道当对相关表执行DML操作时这些规则如何保护数据完整性吗？
More importantly, do you know how these rules work to safeguard data integrity when DML operations are performed against tables that are related?
以这种方式代替编写查询并处理它的优势在于：业务规则通过UI得以应用，所以保证了数据完整性。
The advantage of doing it this way rather than writing a query to handle it is that the business rules get applied via the UI so data integrity is ensured.
但是在您定义RI时，要记住，当对相关表执行dml操作时，需要一些规则来保护数据完整性。
But when you define ri constraints, keep in mind that there are rules in place to safeguard data integrity when DML operations are performed against related tables.
故障发生后，如图3所示，数据库和协调器最后可能会重新启动并使用恢复日志和恢复规则来确保数据完整性。
After the failure, the databases and the coordinator can eventually restart and use their recovery logs and recovery rules to insure data integrity as illustrated in Figure 3.
技术性数据质量维定义在逻辑数据建模实体完整性和引用完整性规则中常见的数据质量标准。
The technical data quality dimension defines the data quality criteria often found in logical data modeling entity integrity and referential integrity rules.
在单一位置对主数据实施业务规则和完整性规则，从而节约成本。
Cost savings by having a single place to enforce business rules and master data integrity rules on master data.
技术性数据质量维(technical data quality dimension)定义数据质量标准。数据质量标准常常可以在逻辑数据建模中的实体完整性和引用完整性关系规则中找到。
The technical data quality dimension defines the data quality criteria often found in both the entity integrity and referential integrity relational rules found in logical data modeling.
按照基本规则和DB 2CubeViews元数据定义的多维数据集模型完整性规则，查询的多维数据集模型应该是有效的。
The cube models being queried should be valid according to the base rules and cube model completeness rules defined for the DB2 cube Views metadata.
约束是有助于保持表中数据的完整性的规则。
Constraints are rules that help preserve the integrity of data in a table.
GIS中事务约束规则对于保证数据库更新时数据的完整性和一致性具有重要的意义。
The transaction constraint rules are important for preserving the data integrity and consistency when the database is updated in a GIS.
提出一种在数据映射方式下保持完整性约束的数据发布方法，设计了一套保持完整性约束的数据发布规则生成机制DAPPIC。
This paper proposes a kind of method that can preserve integrity constraints in data mapping, contrives a mechanism(DAPPIC)of generating constraints-preserving publishing rules.
数据集提供了很多好处，例如比起数据库层次，它强化了内存中的完整性规则。
Data set provided a lot of benefit, for example compared with database administrative levels, its aggrandizement the integrality in memory is regular.
引用完整性是一种规则体系，这些规则可确保相关表中各行间关系的有效性，并确保不会意外删除或更改相关的数据。
Referential integrity is a system of rules that ensure relationships between rows in related tables are valid and that you do not accidentally delete or change related data.
数据完整性的规则将杂乱的信息排除在外部世界里，在任何数据进入计算机之前都要进行过滤和清洁。
The imperative of data integrity posits that there is a world of chaotic information out there, and before any of it gets inside the computer it must be filtered and cleaned up.
数据完整性的规则将杂乱的信息排除在外部世界里，在任何数据进入计算机之前都要进行过滤和清洁。
The imperative of data integrity posits that there is a world of chaotic information out there, and before any of it gets inside the computer it must be filtered and cleaned up.
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