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- Building integrity constraints right into the database is the surest way to make sure your data stays in good shape. 在数据库中构建完整性约束是确保数据完整有效的最可靠的方法。
- Methods, you will find that the order is not indiscriminate and is in fact imposed by your integrity constraints. 方法时,您会发现顺序并非是随意的,事实上它是由完整性约束所限定的。
- Database integrity constraints force you to insert or delete data in a given order. 数据库完整性约束迫使您以给定的顺序插入或者删除数据。
- The rule integrity constraint is an importance constitute part of management in deductive database. 完整性维护是演绎数据库管理中的重要组成部分。
- 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。
- Based on the study of integrity constraints depicted by XML schemas,the concept of exclusive inclusion constraint is proposed. 在对 XML 模式反映的完整性约束研究的基础上,本文提出了排他性包含约束的概念;
- The inclusion of heuristics and integrity constraints facilitates inferencing on new information to create intelligent queries. 包含启发式和完整性约束方便推导出新信息来创建智能查询词。
- Integrity constraint maintenance ensures that the new database state will still be in a valid state. 一个关连式资料可经由限制维护进一步确认新资料库状态仍处于一合法的状态。
- When updating related tables in a dataset, it is important to update in the proper sequence in order to reduce the chance of violating referential integrity constraints. 当更新数据集中的相关表时,务必要以正确的顺序进行更新,以减小违反引用完整性约束的可能性。
- In multilevel secure database systems, the "Write Up" protocol of classic BLP model violates integrity constraints and produces covert channel and polyinstance problem. 在多级安全数据库系统中经典的 BL P模型的“向上写”违反了数据库的完整性 ;并产生隐通道和带来多实例问题 .
- This ensures that the insert in the foreign table will have its foreign key referential integrity constraint satisfied (likewise for other operations like delete). 这确保了外表中的插入操作满足其外键参照完整性约束(对于诸如删除操作的其它操作,情况类似)。
- At the heart of Oracle9i Lite is Oracle9i Lite database,a powerful lightweight relational database that offers complete transactional support,data integrity constraints,and the ability to construct queries on the fly. Oracle9i Lite 的核心部分是Oracle9i Lite 数据库，它作为一个强大而轻巧的关系型数据库，可提供全面的事务型支持、数据完整性约束和构建移动查询的功能。
- For tables that use cascading referential integrity constraints, such as the ON DELETE CASCADE clause and the ON UPDATE CASCADE clause, replication now supports merge operations on precomputed partitions. 现在,对于使用级联引用完整性约束(例如,ON DELETE CASCADE子句和ON UPDATE CASCADE子句)的表,复制支持预计算分区上的合并操作。
- At the heart of Oracle9i Lite is Oracle9i Lite database, a powerful lightweight relational database that offers complete transactional support, data integrity constraints, and the ability to construct queries on the fly. Oracle9i Lite 的核心部分是Oracle9i Lite 数据库，它作为一个强大而轻巧的关系型数据库，可提供全面的事务型支持、数据完整性约束和构建移动查询的功能。
- Integrity constraints belong in the database 完整性约束属于数据库
- referential integrity constraints 参照完整性约束
- structural integrity constraints for XML XML结构完整性约束
- Free from traditional social or moral constraints. 任意的不受传统的社会或道德限制的
- Soon tired of the constraint of military life. 很快厌倦了军事生活的约束
