摘要:
select id,cnt,sum(cnt) over w as sum_cntfrom( select 'a' as id, 1 as cnt union all select 'a' as id, 9 as cnt union all select 'a' as id, 4 as cnt uni 阅读全文
摘要:
方法一: ALTER TABLE kuming.tableName DELETE WHERE toDate(insert_at_timestamp)='2020-07-21'; 方法二: ALTER TABLE kuming.tableName DELETE WHERE insert_at_time 阅读全文