参考MySQL查询语句(select)详解（1）
注意
where条件用and并列 ---wrong--- select height,times,threshold,correctRate,dataset from boost where height=3,times=40,threshold=0.2,dataset='classical model' [Err] 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'times=40,threshold=0.2,dataset='classical model'' at line 3 ---right--- select height,times,threshold,correctRate,dataset from boost where height=3 and times=40 and threshold=0.2 and dataset='classical model' 字符串用 ‘…’ 圈起来