logical adj. 1.逻辑的,逻辑上的;逻辑学上的。 2.合乎逻辑的。 3.逻辑上必然的。 logical constants 逻辑常词[常项]。 logical necessity 逻辑的必然性。 a logical argument 条件分明的论证。 a logical process 合理的程序,合乎逻辑的[必然的]过程。 the logical result 必然的结果。 adv. -ly ,-ness n.
If the length of the full path and file name exceeds 127 characters , the logical database name is shortened and prefixed with a guid , ensuring a unique logical name 如果完整路径和文件名的长度超过127个字符,则需要缩短数据库的逻辑名称,并且加上前缀guid ,从而确保逻辑名称的唯一性。
After normalizing your data model as far as you have intended during the logical database design process , then include some degree of de - normalization as one of the potential performance tuning options 在逻辑数据库设计过程中,您可以毫无保留地规范化数据模型,然后再加入一定程度的反规范化,作为潜在的性能调优的一种选择。
Database partition expressions are typically used when defining containers of a tablespace across multiple logical database partitions of the same machine , to avoid having the same path device name used by more than one logical partition 当定义一个横跨同一台机器上多个逻辑数据库分区的表空间的容器时,为了避免一个以上的逻辑分区具有相同的路径/设备名称,通常使用数据库分区表达式( database partition expression ) 。
The thesis also analyzes how to optimize the performance of the whole distance education supporting platform based on sql server7 . 0 database , and emphasizes on the four aspects of logical database design , index usability , query structure and procedure objects . it also discusses the extension of system functions from the point of view of database design in order to realize the distance education quality appraisal and tracking in the future 对基于sqlserver7 . 0数据库的整个远程教育支撑平台系统的性能优化进行分析,着重从逻辑数据库设计、索引的可用性、查询结构和过程对象的使用四个方面进行论述,并从数据库设计角度讨论了对系统进行功能扩展,以实现未来对远程教育质量评价和教学质量跟踪。