Logical integrity refers to the logical structure of the database protection, including the semantic integrity and operational integrity.
逻辑完整性是指对数据库逻辑结构的保护,包括数据的语义完整性与操作完整性。
Record-based logical models define the overall logical structure of the database as well as higher level description of its implementation.
基于记录的逻辑模型定义数据库的整个逻辑结构以及实现的更高级描述。
When planning the overall logical storage of the database structure, take into account the effects that this structure will have when the database is actually created and running.
当编制总体数据库逻辑结构计划,这个计划的重要性在于,它将会影响数据库的创建与运行。
It is important to plan how the logical storage structure of the database will affect system performance and various database management operations.
这个计划十分重要,数据库的逻辑存储结构将影响数据库的性能和数据库的管理操作。
In the design of the database is given in the database E-R diagram and database logical structure.
在数据库的设计中给出了数据库e - R图和数据库的逻辑结构。
The emphases were on the building of the conceptual structure, logical structure, physical structure and application development of the database of the air traffic control system.
重点建立了空中交通管制系统的数据库概念结构,逻辑结构和物理结构,并进行了应用开发。
When designing the database, firstly it designs conceptual structure, secondly designs logical structure, at last, designs the database tables.
数据库设计时先进行了概念结构设计,之后进行了逻辑结构设计,最后完成了数据库表的设计。
The design of space-database went through concept design, logical design and physical design. This process gave prominence to designing the road and data structure of accidents information.
空间数据库的建立经历了概念设计、逻辑设计、物理设计过程,主要突出了道路、事故信息的数据结构设计。
The design of space-database went through concept design, logical design and physical design. This process gave prominence to designing the road and data structure of accidents...
空间数据库的建立经历了概念设计、逻辑设计、物理设计过程,主要突出了道路、事故信息的数据结构设计。
The design of space-database went through concept design, logical design and physical design. This process gave prominence to designing the road and data structure of accidents...
空间数据库的建立经历了概念设计、逻辑设计、物理设计过程,主要突出了道路、事故信息的数据结构设计。
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