[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fHzPTMDJi2rpPQyQcz2vRlUoapee7nRAhn9JWqicDGJ0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-10-31 20:00:40",163966407,[8,9,10,11],"不包括20岁和30岁","不包括20岁,包括30岁","包括20岁,不包括30岁","包括20岁和30岁",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},21,"d57bc649e6d0506b2d28e9996a759039","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e2d5ad53be3d12aacc56ee37db405b7.jpg","数据库原理与应用","work_38406112","第八章作业","在SQL语言中,条件"BETWEEN 20 AND 30"表示年龄在20到30之间,且()",[21,32,41,50,59,68,77,86,95,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],163966399,[25,26,27,28],"SELECT XH,CD FROM SC WHERE CH='20' ORDER BY GD ASC","SELECT XH,CD FROM SC WHERE CH='20' ORDER BY GD DESC","SELECTXH CD FROM SC WHERE CH='20' GROUP BY GD ASC","SELECT XH,CD FROM SC WHERE CH='20' GROUP BY GD DESC","在学生选课表(SC)中,查询选修20号课程(课程号CH)的学生的学号(XH) 及其成绩(GD).查询结果按分数的降序排列.实现该功能,正确的SQL语句是()","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],163966400,[36,37,38,39],"G<=0","G IS NULL","G=0","G= NULL","现要从学生选课表(C)中查找缺少习成绩(G)的学生学号和课程号,相应的SQL语句如下, 将其补充完整:SEECT S#, C# FROM SC WHERE ( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],163966401,[45,46,47,48],"只把姓名叫王军的记录进行更新","只把字段名s_name 改成 '王军","更新语句不完整,不能执行","表中的所有人姓名都更新为王军","修改操作的语句 UPDATE student SET s_name='王军';该代码执行后的结果是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],163966402,[54,55,56,57],"两者执行效率一样","TRUNCATE TABLE返回值为0","DELETE返回被删除的记录行数","DELETE可以删除特定范围的数据","关于 DELETE 和 TRUNCATE TABLE 区别描述错误的是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],163966403,[63,64,65,66],"SELECT DISTINCT userno FROM tb_ book","SELECT userno FROM DISTINCT tb_book","SELECT userno DITINCT FROM tb_book","SELECT DITINCT(userno) FROM tb_book","查询tb_ book表中useno字段的记录,并去除重复值的是()",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],163966404,[72,73,74,75],"更新s_id为1的姓名为王军","删除姓名叫王军的记录","添加姓名叫王军的记录","返回姓名叫王军的记录","UPDATE student SET s_name = '王军'WHEREs_id=1该代码执行的是()",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],163966405,[81,82,83,84],"指定的一条数据","以上皆可","全部","部分","在使用SQL语句删除数据时,如果DELETE语句后面没有WHERE条件,那么将删除指定数据表中的()数据",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],163966406,[90,91,92,93],"SELECT * FROM tb001 WHERE ORDER BY id ASC LIMIT 0,5","SELECT * FROM tb001 WHERE ORDER BY id GROUP BY LIMIT 0,5","SELECT * FROM tb001 WHERE ORDER BY id DESC LIMIT 0,5","SELECT * FROM tb001 WHERE ORDER BY id ORDER LIMIT 0,5","查询tb001数据表中的前5条记录,并升序排列,语法格式是( )",{"answer":96,"createTime":5,"id":6,"options":97,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],163966408,[102,103,104,105],"INSERT INTO···VALUES..","INSERT INTO···SELECT","INSERT INTO···UPDATE·","INSERT INTO···SET..","以下指令无法增加记录的是( )"]