integrity constraints 中文意思是什麼
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Declarative referential integrity constraints can be added to the tables to make sure that interrelated data in different tables remains consistent
可以向表上添加聲明性引用完整性（ dri ）約束，以確保不同表中的相關數據保持一致。 -
You can enforce domain integrity to restrict the type by using data types, restrict the format by using check constraints and rules, or restrict the range of possible values by using foreign key constraints, check constraints, default definitions, not null definitions, and rules
您可以強制域完整性限制類型（通過使用數據類型） 、限制格式（通過使用check約束和規則）或限制可能值的范圍（通過使用foreign key約束、 check約束、 default定義、 not null定義和規則） 。 -
Cascading referential integrity constraints
級聯引用完整性約束 -
Entity integrity constraints, referential integrity constraints, and user - defined most intergrity constraints of relational database were all preserved after the conversion
轉換過程可保留關系數據庫的實體完整性約束、參照完整性約束和絕大部分的用戶自定義完整性約束。 -
Database integrity constraints force you to insert or delete data in a given order
數據庫完整性約束迫使您以給定的順序插入或者刪除數據。 -
Methods, you will find that the order is not indiscriminate and is in fact imposed by your integrity constraints
方法時，您會發現順序並非是隨意的，事實上它是由完整性約束所限定的。 -
Consistency - every transaction must preserve the integrity constraints - the declared consistency rules - of the database
一致性每個事務必須保持數據庫的完整性約束聲明的一致性規則。 -
In the creation of a database, a data model and integrity constraints can create certainty in the structure and content of the data
在數據庫創建中，數據模型和完整性限制能創建數據結構和內容的確定性。 -
Checks the integrity of a specified constraint or all constraints on a specified table in the current database
檢查當前數據庫中指定表上的指定約束或所有約束的完整性。 -
However, real - life constraints such as available time, skills, and budget make such an approach unrealistic in nearly all cases, so you have to rely on the integrity of the programmers and or package maintainers and distributors
不過，可用時間、技術和預算等現實的約束使得這種方法在幾乎所有情形下都是不切實際的，所以您不得不依賴于程序員和/或程序包維護者和發行者的誠實。 -
Entity integrity enforces the integrity of the identifier columns or the primary key of a table, through unique indexes, unique constraints or primary key constraints
實體完整性通過unique索引、 unique約束或primary key約束，強製表的標識符列或主鍵的完整性。 -
In order to maximize semantic power of xml specifications, the main ideas on integrity constraints for xml documents and the problems related to them are described and discussed. then we proposel a contrainted xml data model ( cxm ), and make some extensions and standardizations on xml - ql
首先探討了xml數據的完整性約束及相關問題，在此基礎上提出了一個支持完整性約束的xml數據模型cxm ；然後對目前流行的查詢語言xml - ql做了相應的改進和規范化，使其更適合於xml數據的查詢。 -
Access control for resources : the means by which interactions with resources are limited to collections of users or programs for the purpose of enforcing integrity, confidentiality, or availability constraints
資源的訪問控制：意思是和資源的交互對一些用戶和程序集來說是被限制的，為了強制完整，機密或有效的約束的目的。
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