basic operating system meaning in English
基本操椎统
基本操作系统
Examples
- Basic operating system
基本作业系统 - Therefore using linux as basic operating system has become a popular solution in embedded operating system
所以利用linux作为底层操作系统成为现在日益流行的嵌入式操作系统的解决方案。 - Because of the reason of history , a large amount of various different database that constructed exist on the network , in a lot of respects , there are several the following respects mainly in their different constructing nature behavior : 1 ) the constructing differently of system structure of the computer , each database is running in the mainframe , the microcomputer is , in work station , pc or embedded system ; 2 ) the constructing differently of basic operating system , the basic operating system of each database system can be unix , windows nt , linux . etc . ; 3 ) the constructing differently of dmbs itself can be all oracle of the database system of relation type , sql server , etc . , it can be a database of different data models too , such as relation , mode , level , network , target of facing , the database of function type ; 4 ) the structure of the data and sometime are constructed differently , each different databases are used and adopt different data structure and sometime expression way systematically
随着internet的发展，网络上存在着大量多样异构的数据库，它们的异构性表现在多个方面，主要有如下几个方面： 1 )计算机体系结构的异构，各个数据库运行在大型机，小型机、工作站、 pc或嵌入式系统中； 2 )基础操作系统的异构，各个数据库系统的基础操作系统可以是unix 、 windowsnt 、 linux等； 3 ) dbms本身的异构，可以是同为关系型数据库系统的oracle 、 sqlserver等，也可以是不同数据模型的数据库，如关系、模式、层次、网络、面向对象，函数型数据库； 4 )数据结构及语义异构，各个不同的数据库应用系统采用不同的数据结构和语义表达方式。