取某个时间段的日期列表
-- Oracle 写法
SELECT DATE'2021-11-01' + (ROWNUM-1) AS sDate
FROM dual
CONNECT BY ROWNUM <= DATE'2021-11-25'-DATE'2021-11-01' + 1
-- MySQL 写法
SELECT
sDate
FROM
(
SELECT
ADDDATE('1970-01-01', t4.i*10000 + t3.i*1000 + t2.i*100 + t1.i*10 + t0.i) AS sDate
FROM
(SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9) t0,
(SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9) t1,
(SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9) t2,
(SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9) t3,
(SELECT 0 i UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9) t4
) v
WHERE
sDate BETWEEN '2021-11-01' AND '2021-11-25'
本文来自博客园,作者:爱Ni说不出口,转载请注明原文链接:https://www.cnblogs.com/ArtherLee/p/15672463.html

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