mysql统计一年内每一个月的数据
mysql统计一年内每一个月的数据
下面展示一些 内联代码片。
select
ifnull(b.counts,0) as count,a.date from
(
SELECT CONCAT('2020','-01') AS date UNION
SELECT CONCAT('2020','-02') AS date UNION
SELECT CONCAT('2020','-03') AS date UNION
SELECT CONCAT('2020','-04') AS date UNION
原创
2020-06-18 18:04:43 ·
1952 阅读 ·
0 评论