DB2 delete高级删除有关问题

DB2 delete高级删除问题
1 select * from (select row_number() over() as num, xxx.* from xxx) as temp where num in (3567)

而我用
2 delete from (select * from (select row_number() over() as num, xxx.* from xxx) as temp where num in (1)
)
来删除的时候为什么不是我用1执行时候的数据
求大神帮忙
怎么来解决这样的情况

------解决方案--------------------------------------------------------
一个是1，一个是3567？
------解决方案--------------------------------------------------------

探讨

1 select * from (select row_number() over() as num, xxx.* from xxx) as temp where num in (3567)

而我用
2 delete from (select * from (select row_number() over() as num, xxx.* from xxx) as temp where n……