ID NUMBER1 137xxxx,138xxxx取出来成ID NUMBER1 137xxxx1 138xxxx create table test (id int, phone varchar2(200)); insert into test values (1,'13811111111,13311111111,13900000000'); insert into test values (2,'15811111111,15911111111,18800000000'); 第一种方式 sel
原数据: 目标结果: 根据-符号将数据进行分组,思路是根据NAME列值进行复制,若为‘-’则赋值1,其他为0,这样就可以根据累加实现分组, 具体实现代码: /* Formatted on 2019/9/24 9:53:25 (QP5 v5.227.12220.39754) */SELECT * FROM (SELECT ID, NAME, SUM (SIGN) OVER (ORDER BY ID) AS VA FROM (SELECT ID, NAME, DECODE (TRIM (NAME),