select DATE_FORMAT(date,'%Y%u') weeks,count(id) count from table group by weeks; select DATE_ ...
substr col, , 分組 例如 select substr t.UPDATE TIME, , as months,sum t.tot modal as sumsfrom test tgroup by substr t.UPDATE TIME, , ...
2019-12-11 21:16 0 806 推薦指數:
select DATE_FORMAT(date,'%Y%u') weeks,count(id) count from table group by weeks; select DATE_ ...
知識關鍵詞:DATE_FORMAT DATE_FORMAT(date,format) 根據format字符串格式化date值。下列修飾符可以被用在format字符串中: ...
MYSQL函數:DATE_FORMAT 例子: select DATE_FORMAT(create_time, '%Y%m%d') days,count(caseid) count f ...
按時間分組 統計 table的rowspan跨度 ...
按照周或者月統計活躍數: 周: SELECT week, COUNT(DISTINCT pin), business_type FROM ( SELECT DISTINCT user_log_acct AS pin,weekofyear(dt) AS week , CASE ...
在工作業務中常會使用mysql的日期函數,下面做一下關於這方面的sql整理: 1.內置日期函數 now(): 返回當前的日期和時間 unix_timestamp(): 返回自1970-0 ...
按周 select DATE_FORMAT(create_time,'%Y%u') weeks,count(caseid) count from tc_case group by weeks; 按月 select ...