[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fGHh0Z4XQF7d8SJv0sUwQO6lXL8ZF9M-hOpRLCW3qJEo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2025-05-26 14:09:33",190942587,[8,9,10,11],"COUNT","SUM","GROUP_CONCAT","AVG",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},3,"cdb235f145fb95fc5068603b5c99718f","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F46161018d5f97de4be683a9490d28d07.png","数据库技术与应用","f9ad86c188bf4997bb6fd330e9961530","使用聚合函数进行查询 自学自测","以下哪个SQL聚合函数用于计算给定列中的总和",[21,26,35],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],190942590,[30,31,32,33],"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":36,"createTime":37,"id":38,"options":39,"question":42,"source":24,"type":13},[],"2025-12-16 05:27:23",267771536,[40,41],"正确","错误","AVG()函数可以用来计算某一列中所有数值的平均值"]