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求写法多谢

发布时间: 2011-12-17 23:37:33 作者: rapoo

求写法,谢谢
比如一个table

name others

小A yyy#mmm#dd

怎么写可以使查询结果变成如下

小A yyy
小A mmm
小A dd

谢谢!!!


[解决办法]

SQL code
--这个WITH t1 AS (SELECT NAME, '#' || OTHERS OTHERS FROM temp)SELECT DISTINCT NAME,                substr(t1.others,                       instr(t1.others, '#', 1, LEVEL) + 1,                       decode(instr(t1.others, '#', 1, LEVEL + 1),                              0,                              length(OTHERS) + 1,                              instr(t1.others, '#', 1, LEVEL + 1)) - instr(t1.others, '#', 1, LEVEL) - 1) s  FROM dual, t1CONNECT BY LEVEL <=           (SELECT length(OTHERS) - length(REPLACE(OTHERS, '#')) FROM t1 b WHERE b.name = t1.name)ORDER BY NAME;
[解决办法]
SQL> select * from ta;

NAME OTHERS
---- ----------
小A yyy#mmm#dd
小B zzz#nnn#ss

SQL>
SQL> select distinct name,
2 substr('#' || others || '#',
3 instr('#' || others || '#' , '#', 1, level) +1,
4 instr('#' || others || '#' , '#', 1, level + 1) -
5 instr('#' || others || '#' , '#', 1, level)-1) others
6 from ta
7 connect by level <= (length(others)-length(replace(others,'#')))/length('#') +1
8 order by name;

NAME OTHERS
---- ------------------------
小A dd
小A mmm
小A yyy
小B nnn
小B ss
小B zzz

6 rows selected

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