[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fPFEFx5_01B54rmIjgpwifxZ8MpTCjT1EmJDdv45q71Y":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-05-28 16:54:12",139162550,[8,9,10,11],"NOT EXIST子查询","IN子查询","JOIN子查询","EXIST子查询",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},91,"050858f84ed40e2d9ad433506082c4f0","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff24ecca9c72b9d987b08bb72264faf95.png","数据库","work_34436693","第3章习题","在( )子查询中,内层查询只处理一次,得到一个结果集,再依次处理外层查询",[21,33,36,46,56,66,76,86,95,105],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-04-23 21:26:11",139162549,[26,27,28,29],"关系规范化、数据操纵、数据定义","关系规范化、数据定义、数据控制","关系规范化、数据操纵、数据控制","数据定义、数据操纵、数据控制","SQL语言具有( )功能","v1",0,{"answer":34,"createTime":5,"id":6,"options":35,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":37,"createTime":38,"id":39,"options":40,"question":45,"source":31,"type":32},[],"2024-05-28 16:54:11",139162551,[41,42,43,44],"SELECT SN,AGE,SEX FROM S WHERE AGE>(SELECT AGE FROM S WHERE SN='王华')","SELECT SN,AGE,SEX FROM S WHERE AGE>(SELECT AGE WHERE SN='王华')","SELECT SN,AGE,SEX FROM S WHERE AGE>王华.AGE","SELECT SN,AGE,SEX FROM S WHERE SN='王华'","检索所有比"王华"年龄大的学生姓名、年龄和性别.正确的SELECT语句是( )",{"answer":47,"createTime":48,"id":49,"options":50,"question":55,"source":31,"type":32},[],"2024-04-21 15:03:50",139162552,[51,52,53,54],"grade>100 AND grade<0","grade in(0,100)","grade BETWEEN 1 AND 99","grade BETWEEN 0 AND 100","已知成绩数据表中,属性列grade为INT类型,则能够表示"0<=grade<=100"的是( )",{"answer":57,"createTime":58,"id":59,"options":60,"question":65,"source":31,"type":32},[],"2024-04-22 20:07:34",139162553,[61,62,63,64],"包括15岁和35岁","包括15岁但不包括35岁","包括35岁但不包括15岁","不包括15岁和35岁","SQL中,条件"年龄 BETWEEN 15 AND 35",表示年龄在15岁至35岁之间且( )",{"answer":67,"createTime":68,"id":69,"options":70,"question":75,"source":31,"type":32},[],"2024-04-22 22:42:25",139162554,[71,72,73,74],"在SELECT中出现","在WHERE中出现","在FROM出现","在HAVING中出现","在SELECT语句中使用GROUP BY CNO时,CNO必须( )",{"answer":77,"createTime":78,"id":79,"options":80,"question":85,"source":31,"type":32},[],"2024-04-23 21:26:09",139162555,[81,82,83,84],"视图是外模式","使用视图可以加快查询语句的执行速度","使用视图可以简化查询语句的编写","视图是虚表","下面列出的关于视图(VIEW)的条目中,哪一条是不正确的( )",{"answer":87,"createTime":68,"id":88,"options":89,"question":94,"source":31,"type":32},[],139162556,[90,91,92,93],"DROP","DELETE","ZAP","UPDATE","SQL中用于删除基本表的命令是( )",{"answer":96,"createTime":97,"id":98,"options":99,"question":104,"source":31,"type":32},[],"2024-05-28 16:54:14",139162557,[100,101,102,103],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff4ce382a6af8685fdf4826ba4c131348.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F26dab2089db8aaa22614a500063c916a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd3e8dc9877b0be79183a611034ff6c51.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff75b2108502a5d9beda1508229598628.png\">","设有一个关系:dept(dno,dname),如果要找出第二个字母为w,并且至少包含4个字母的dname,则查询条件子句应写成:where dname like( )",{"answer":106,"createTime":78,"id":107,"options":108,"question":113,"source":31,"type":32},[],139162558,[109,110,111,112],"非数据库","网络数据库","层次数据库","关系数据库","SQL语言是( )语言"]