[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fsqDC_04i0hNCmuPGZahWl-qB4G_hzzzaZYCAwesA79k":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2025-06-26 16:58:14",208536047,[8,9,10,11],"需求分析阶段","概念设计阶段","逻辑设计阶段","物理设计阶段",{"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","在关系型数据库设计时,E-R图主要完成于___",[21,33,38,47,56,65,68,77,86,95],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2025-06-26 16:58:13",208536018,[26,27,28,29],"一对一","一对多","多对一","多对多",""出版社"实体和"书店"实体之间的联系是____","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":37,"source":31,"type":32},[],208536024,[26,27,28,29],"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":39,"createTime":23,"id":40,"options":41,"question":46,"source":31,"type":32},[],208536027,[42,43,44,45],"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":48,"createTime":23,"id":49,"options":50,"question":55,"source":31,"type":32},[],208536033,[51,52,53,54],"SQL Server","Access","Oracle","UNIX","下列不属于数据库管理系统的是____",{"answer":57,"createTime":23,"id":58,"options":59,"question":64,"source":31,"type":32},[],208536043,[60,61,62,63],"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":66,"createTime":5,"id":6,"options":67,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":31,"type":32},[],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":5,"id":79,"options":80,"question":85,"source":31,"type":32},[],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":5,"id":88,"options":89,"question":94,"source":31,"type":32},[],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":5,"id":97,"options":98,"question":103,"source":31,"type":32},[],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____"]