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查询Tags标签: maths,共有 2条记录-
Mysql教程:(三)运算符:数学运算符
运算符:数学运算符mysql> select class,number,maths,maths+5 from score;mysql>select class,number,chinese+maths+english from score;mysql> select *,maths+chinese+english as total from score;mysql> select *,maths+chinese+english as total from …
2021/11/6 19:14:09 人评论 次浏览 -
Mysql教程:(三)运算符:数学运算符
运算符:数学运算符mysql> select class,number,maths,maths+5 from score;mysql>select class,number,chinese+maths+english from score;mysql> select *,maths+chinese+english as total from score;mysql> select *,maths+chinese+english as total from …
2021/11/6 19:14:09 人评论 次浏览