Question

My table is in oracle toad. teh table contain column name phone number varchar2 datatype.it contain set of phonenumbers. some numbers are more than 10 char. i want to filter that number from right side 10 char.

data's in the table
-------------------
phone number

9948184759
9948220955
994823298612
9948249815
99482599971234
9948277935
9948288258
99483015076789
9948335085
9948337552
9948338134

the above column values are phone numbers.but some numbers are more than 10 char length

that numbers are
----------------
 994823298612
 99482599971234
 99483015076789

 expected output for the above numbers
----------------------------------------
4823298612
2599971234
3015076789

Help me to do this? am new to oracle toad

Answer 1

You can achieve that by using Substr function for example

with T1 as 
( 
  select 99482599971234  n from dual union all
  select 99483015076789 n from dual union all
  select 994823298612 n from dual
) 

select substr(n, Length(n) - 9, 10) nn
  from t1


 Nn 
-------------------
4823298612 
2599971234 
3015076789