计算机术语“integrity rule #1 (object integrity)”的中英文意思、释义、翻译及用法-计算机英汉双解词典

术语	integrity rule #1 (object integrity)
释义	integrity rule #1 (object integrity) 第1号完整性规则(对象完整性) A rule which permits every data store entry in the system to have a unique identifier composed of the data store name and the primary key. No part of the primary key is permitted to have a null value. Integrity Rule #1 guarantees the every data element in the system specification has a unique address, namely, 〈DATASTORENAME, primary key value, ATTRIBUTENAME〉. 一种规则,允许在系统中的每个数据存储条目具有由数据存储名和主键组成的唯一标识符。主键的各部分不允许有空值。本规则保证系统的规格说明中每个数据元素有唯一的地址,也就是〈数据存储名,主键值,属性名〉。
随便看	enlargement E notation ENQ en quad enqueue enquiry enquiry call facility enquiry character (ENQ) enquiry station enrollment enter entering enter/inquiry mode enter key enter mode enter/update mode entity entity identifier entity occurrence entity record entity relationship diagram entity relationship model entity set entity type entraide

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