Oracle数据库之间的行数

Question

There are 25 records in this sql query I want to get between 5 and 10. How can I do it ? I use 11g

select
(
    select count(*) as sayfasayisi
    from konular t
    where t.kategori is not null
) as sayfasayisi,
t.id,
t.uye,
t.baslik,t.mesaj,t.kategori,t.tarih,
t.edittarih,t.aktif,t.indirimpuani,t.altkategori,t.link,
nvl(
    (select case when t.id = f.konuid and f.uye = 'test' then '1' else '0' end
     from takipkonu f where t.id = f.konuid and f.uye = 'test'), '0') as takip
from konular t
where t.kategori is not null

Answer 1

You can use ROW_NUMBER() to assign a row number based on some ordering logic contained in your current query, eg a certain column. Then, retain only the 5th to 10th records:

select t.*
from
(
    select
    (
        select count(*) as sayfasayisi
        from konular t
        where t.kategori is not null
    ) as sayfasayisi,
    ROW_NUMBER() OVER (ORDER BY some_col) rn,
    t.id,
    t.uye,
    ...
) t
where t.rn between 5 and 10;