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IBM公司的IMS数据库管理系统属于( )。
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下列的数据库管理系统属于网状模型的是
IMS数据库管理系统
CODASYL系统
ORACLE系统
FOXBASE系统
IBM公司的IMS数据库管理系统是哪种数据库模型的典型代表
层次模型
网状模型
关系模型
对象模型
IBM公司的IMS数据库管理系统属于
我们常用的数据模型类型有层次模型网状模型关系模型和面向对象模型四种是数据库系统中最早出现的数据
层次模型
网状模型
关系模型
面向对象模型
下列的数据库管理系统属于层次模型的是______
IMS数据库管理系统
CODASYL系统
ORACLE系统
FOXBASE系统
IMS系统属于
层次模型数据库
网状模型数据库
分布式数据库
关系模型数据库
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