斜线在SQL查询中的含义是什么？

Question

斜杠字符在此查询中的含义是什么？这与MySql数据库一起使用.

SELECT Channel, COUNT(Channel) AS Total, COUNT(Channel) / (SELECT COUNT(*) FROM UserClicks WHERE (Date > '2009-12-1' AND Date < '2010-1-1') AND RoleType='member' ) AS Percent FROM UserClicks WHERE (Date > '2009-12-1' AND Date < '2010-1-1') AND RoleType='member' GROUP BY Channel ORDER BY Total DESC

更新:对不起,愚蠢的问题!= P

Answer 1

这是一个分裂标志.它划分了两个数字.