我认为你正在寻找一个典型的UNPIVOT查询。
你会做得一样:
SQL> WITH DATA AS(
2 SELECT 1208240 ID, 1 ISBREAKREDUCED, 1 ISSECONDMEALBREAKREDUCED FROM dual UNION ALL
3 SELECT 1208241 ID, 2 ISBREAKREDUCED, 3 ISSECONDMEALBREAKREDUCED FROM dual
4 )
5 SELECT *
6 FROM
7 (SELECT *
8 FROM DATA UNPIVOT (ISSECONDMEALBREAKREDUCED FOR ISBREAKREDUCED IN (ISBREAKREDUCED AS 1, ISSECONDMEALBREAKREDUCED AS 1))
9 )
10 WHERE ISBREAKREDUCED =1
11 AND ISSECONDMEALBREAKREDUCED =1
12/
ID ISBREAKREDUCED ISSECONDMEALBREAKREDUCED
---------- -------------- ------------------------
1208240 1 1
1208240 1 1
SQL>
所需的输出是不明确的。你想不透明吗?或者,你想只有一列而只有两行吗?请编辑您的问题并添加您想要的输出。 –