[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fNsr0tRMteoBPU2_DgmUUklq0asrb6uCncHM7_H6N2pQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-03-07 13:08:41",133237161,[8,9,10,11],"满足所有的条件","满足至少一个条件","一个都不用满足","满足至少 5 个条件",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},11,"8823a8ea0f1998f93a80d589b7aebc75","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F81a796df25208c43e1d0db4a4aaf3b30.png","MySQL数据库技术与应用","44e7627c48014e8a9e2a8c10b01e33c7","任务10习题","子查询中可以使用运算符 ANY,它表示的意思是___________",[21,32,41,50,59,68,78,85,94,97],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],133237153,[25,26,27,28],"SELECT","INSERT","DELETE","UPDATE","在 MySQL 中,通常使用__________语句来进行数据的检索、输出操作","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],133237154,[36,37,38,39],"LIMIT","GROUP BY","WHERE","ORDER BY","在 SELECT 语句中,可以使用_______子句,根据选择列的值,将结果集中的数据行进行逻辑 分组,以便能汇总表内容的子集,即实现对每个组的聚集计算",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],133237155,[45,46,47,48],"0 个字符","1 个字符","多个字符","以上都可以","SQL 语言允许使用通配符进行字符串匹配,其中"%"可以表示 _______",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],133237156,[54,55,56,57],"查询目标","查询结果","查询条件","查询视图","在用 SELECT 命令查询时,使用 WHERE 子句指出的是__________",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],133237157,[63,64,65,66],"在表头插入一条记录","在表尾插入一条记录","在表中指定位置插入一条记录","在表中指定位置插入若干条记录","INSERT 命令的功能是 __________",{"answer":69,"createTime":70,"id":71,"options":72,"question":77,"source":30,"type":31},[],"2024-05-08 09:35:42",133237158,[73,74,75,76],"SELECT 交易所,avg(单价) FROM stock GROUP BY 单价","SELECT 交易所,avg(单价) FROM stock ORDER BY 单价","SELECT 交易所,avg(单价) FROM stock ORDER BY 交易所","SELECT 交易所,avg(单价) FROM stock GROUP BY 交易所","求每个交易所的平均单价的 SQL 语句是 ___________",{"answer":79,"createTime":5,"id":80,"options":81,"question":84,"source":30,"type":31},[],133237159,[39,37,82,83],"SORT","INDEX","用 SELECT 命令查询时 HAVING 子句通常出现在短语_________中",{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":30,"type":31},[],133237160,[89,90,91,92],"UNION","JOIN","ALL","FULL","联合查询使用的关键字是_____",{"answer":95,"createTime":5,"id":6,"options":96,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":98,"createTime":70,"id":99,"options":100,"question":104,"source":30,"type":31},[],133237162,[101,91,102,103],"*","DESC","DISTINCT","下列哪个关键字在 SELECT 语句中表示所有列 _____________"]