I Have A Table Like This.
Cityno Cityname Mails
1 Bangalore 8km
2 Hsr Layout 20km
3 Mejistic 30km
4 Jayadeva 55km
5 Itpl 80km
6 Hebbal 115km
I Have Data Like This
I Want O/p Like This
Distance No.ofcity
0-50km 3
51-100km 2
101-150km 4
And So On
Answer Posted / shriram2012
SQL> select * from quest;
Cityno cityname mails
---------- -------------------- ----------
1 bangalore 8km
2 hsr layout 20km
3 mejistic 30km
4 jayadeva 55km
5 itpl 80km
6 hebbal 115km
6 rows selected.
SQL> with data as (
2 select level as lvl,lag(level,1,0) over(order by level) as pre_lvl
3 from dual
4 where mod(level,50) = 0
5 connect by level <=150)
6 select count(cityno),pre_lvl||'-'||lvl
7 from quest
8 ,data
9 where to_number(replace(mails,'KM',0))/10 between pre_lvl and lvl
10 group by lvl,pre_lvl;
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