思路是这样的,先创建个临时表,假设名为Temporary_Table,
然后再insert into
insert into Temporary_Table select * from (表名) limit 0,50 //mysql语句
insert into Temporary_Table select * from (表名) limit 100 offset 0 //oracle和postgresql的
之后在对Temporary_Table进行order by xxx desc/asc
select * from Temporary_Table order by (字段名) desc/asc
最后drop table
drop table Temporary_table