[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fik6t3cnbVX-f-L6Lwg_R1L5xTXQ73UmS0Au3R2QwFBM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-11-08 10:59:02",164996429,[8,9,10,11],"数据由DBMS统一管理和控制","数据的冗余度低,易扩充","数据共享性差","数据真正实现了结构化",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},10,"f92948bf10117dd569bf9741c16ff526","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3d5a20fbf95d0959bc1f8341df3c5f3a.jpg","数据库原理与应用","c10db5f9f0944bbe9f687ddee9723022","章节测验-第01章","下列关于数据库管理阶段的说法错误的是( )",[21,33,42,51,54,63,72,82,92,101],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-11-08 10:59:01",164996426,[26,27,28,29],"数据是一种符号记录","图像声音不是一种数据","数据的存在形式多种多样","不同类型的数据处理方法不同","下列关于数据的说法错误的是( )","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],164996427,[37,38,39,40],"数据处理是将信息转换成数据的过程","数据处理是将数据转换成信息的过程","数据处理是对数据进行算术运算","数据处理是数据的简单收集","下列关于数据处理的说法正确的是( )",{"answer":43,"createTime":5,"id":44,"options":45,"question":50,"source":31,"type":32},[],164996428,[46,47,48,49],"数据能长期保存","程序之间不能方便的共享数据","程序与数据分离","数据量巨大","下列关于人工管理阶段的说法正确的是( )",{"answer":52,"createTime":5,"id":6,"options":53,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":31,"type":32},[],164996430,[58,59,60,61],"将信息转换成数据","数据管理","实现数据共享","保证数据安全","数据库系统的核心任务是( )",{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":31,"type":32},[],164996431,[67,68,69,70],"同一应用中的多个程序共享一个数据集合","多个用户、同一种语言共享数据","多种应用、多种语言、多个用户相互覆盖地使用数据集合","多个用户共享一个数据文件","数据库的特点之一是数据共享,严格地讲,这里的数据共享指( )",{"answer":73,"createTime":74,"id":75,"options":76,"question":81,"source":31,"type":32},[],"2024-11-08 10:59:03",164996432,[77,78,79,80],"内模式","模式","外模式","用户模式","数据库中,( )是对全局逻辑结构和特征的总体描述",{"answer":83,"createTime":84,"id":85,"options":86,"question":91,"source":31,"type":32},[],"2024-11-08 10:59:04",164996433,[87,88,89,90],"映射可有可无","三级模式间有3个映射","映射保证了数据的逻辑独立性","普通用户可以修改映射","下列关于三级模式间的映射的说法中正确的是( )",{"answer":93,"createTime":84,"id":94,"options":95,"question":100,"source":31,"type":32},[],164996434,[96,97,98,99],"关系","节点","基本层次联系","矩形","网状模型和层次模型是( )的集合",{"answer":102,"createTime":84,"id":103,"options":104,"question":109,"source":31,"type":32},[],164996435,[105,106,107,108],"对数据统一控制管理","没有实现全局统一数据模型","数据独立性强","数据完全实现了共享","下列关于文件管理阶段的说法正确的是( )"]