文章目录 一. 聚合函数二. group by子句结束语 建立如下表
//创建表结构
mysql> create table exam_result(-> id int unsigned primary key auto_increment,-> name varchar(20) not null comment 同学姓名,-> chinese float default 0.0 comment 语文成绩,->…
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Title: A New Solution to Skeleton-Based Human Action Recognition via the combination usage of explainable feature extraction and sparse sampling global features.
Abstract: With the development of deep …