【转】SQL 生成连续字符

标签：ascii   union   The   detail   cas   rom   tail   sdn   asc   

WITH x AS
(SELECT 0 AS id UNION ALL
SELECT id + 1 AS id
FROM x
WHERE id < 9)
SELECT *
FROM x;

-- 生成连续字母(a-z)
WITH x AS
(SELECT 1 AS id UNION ALL
SELECT id + 1 AS id
FROM x
WHERE id < 26)
SELECT CHAR(id+96) AS id
FROM x;

-- 生成连续字符(0-9,a-z)
WITH x AS
(SELECT 0 AS id,CHAR(ascii(‘0‘)) AS cc UNION ALL
SELECT id + 1 AS id,CASE WHEN id<9 THEN CHAR(ascii(‘1‘)+id) ELSE CHAR(ascii(‘a‘)+id-9) END AS cc
FROM x
WHERE id < 35)
SELECT id, cc
FROM x;

转自：
https://blog.csdn.net/huryer/article/details/83538116

【转】SQL 生成连续字符

标签：ascii   union   The   detail   cas   rom   tail   sdn   asc   

原文地址：https://www.cnblogs.com/com-xiaolanchong/p/12264068.html