然而,与将其划分为RLIKE '^',RLIKE '^1‘等相比,上面的命令总是会遗漏一些数据,如下所示。SELECT * FROM A, B, C, D WHERE A = 1 AND B RLIKE '^[0]'SELECT * FROM A, B, C, D WHERE A = 1 AND B <
SELECT DISTINCT CITY FROM STATION WHERE CITY RLIKE '^[aeiouAEIOU].*[aeiouAEIOU]$'; 我很困惑,问题是他们的第一个和最后一个字符都是aeiou,为什么我不能直接使用 CITY RLIKE '^[aeiouAEIOU][aeiouAEIOU]$' 然而,当我拿出SELECT DISTINCT CITY FROM STATION WHERE CITY NOT RLIKE '^[aeiouAEIOU].*$'