[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f6eR99GJFix-5kbyObDeLoA1an4tQG5o7Mg5IJshM6S4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2025-06-26 16:58:13",208536018,[8,9,10,11],"一对一","一对多","多对一","多对多",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},117,"4aa68ad142cb02bcabd91e4be0be6bc5","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8f6d1861c2d7225ca42808692d75026e.jpg","大学计算机-2024","work_43240506","综合练习4",""出版社"实体和"书店"实体之间的联系是____",[21,26,31,40,49,58,68,77,86,95],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":30,"source":24,"type":25},[],208536024,[8,9,10,11],"一个团支部有多名团员,一个团员只属于一个团支部,那么团支部实体与团员实体之间的联系属于____",{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":24,"type":25},[],208536027,[35,36,37,38],"一对多的联系","一对一的联系","多对多的联系","多对一的联系","在数据库关系模型中,如果一个人可以选多门课,一门课可以被很多人选.那么,人与课程之间的联系是_______",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":24,"type":25},[],208536033,[44,45,46,47],"SQL Server","Access","Oracle","UNIX","下列不属于数据库管理系统的是____",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":24,"type":25},[],208536043,[53,54,55,56],"属性的取值范围一般称为元组","属性可看作二维表的列","一个关系可看作一张二维表","主键的值唯一标识一个元组","下列关于关系型数据库的描述,错误的是_____",{"answer":59,"createTime":60,"id":61,"options":62,"question":67,"source":24,"type":25},[],"2025-06-26 16:58:14",208536047,[63,64,65,66],"需求分析阶段","概念设计阶段","逻辑设计阶段","物理设计阶段","在关系型数据库设计时,E-R图主要完成于___",{"answer":69,"createTime":60,"id":70,"options":71,"question":76,"source":24,"type":25},[],208536054,[72,73,74,75],"修改表结构","修改表的数据","删除表的数据","删除表的属性","SQL中UPDATE语句可实现的功能是____",{"answer":78,"createTime":60,"id":79,"options":80,"question":85,"source":24,"type":25},[],208536061,[81,82,83,84],"SELECT*HAVING user","SELECT* WHERE user","SELECT* FROM user","SELECT user INTO *","下列正确的 SQL语句是___",{"answer":87,"createTime":60,"id":88,"options":89,"question":94,"source":24,"type":25},[],208536064,[90,91,92,93],"表中的行称为记录","记录简称为DB","二维表称为记录","记录就是扩展名为.accdb的文件","关系型数据库中有关"记录"的描述正确的是____",{"answer":96,"createTime":60,"id":97,"options":98,"question":103,"source":24,"type":25},[],208536066,[99,100,101,102],"一个完整的数据库应用系统","一组硬件","一组系统软件","既有硬件,也有软件","数据库管理系统(DBMS)是____"]