[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f2vNlKSkVwRUkDtZszjafuCvieWZ4lgcm9rZCmeA0Oeo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":29,"type":11},[],"2025-12-16 05:27:23",267771536,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},3,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","f9ad86c188bf4997bb6fd330e9961530","使用聚合函数进行查询 自学自测","AVG()函数可以用来计算某一列中所有数值的平均值",[19,31,40],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2025-05-26 14:09:33",190942587,[24,25,26,27],"COUNT","SUM","GROUP_CONCAT","AVG","以下哪个SQL聚合函数用于计算给定列中的总和","v1",0,{"answer":32,"createTime":21,"id":33,"options":34,"question":39,"source":29,"type":30},[],190942590,[35,36,37,38],"SUM()","COUNT()","GROUP_CONCAT()","MIN()","在SQL中,如果要计算某一列中最小值,应该使用哪个聚合函数",{"answer":41,"createTime":5,"id":6,"options":42,"question":17,"source":29,"type":11},[],[8,9]]