Get Name and Lastname letter

Question

Hi
How I do to get the Fist name and the Fist letter of the last name from Full name Field and viceversa?
Full name                     Name
John Smith                    John S
Charles Daimond               Charles D
TransAtlantic Services ABC    TransAtlantic S
Full name                     Name
John Smith                    J Smith
Charles Daimond               C Daimon
TransAtlantic Services ABC    T ServicesRegards,
Levi. P
Edited by: 893409 on 27/05/2013 12:55 PM

Answer 1

Similar to Frank's without the regexp.
SQL> with names as (
  2     select 'John Smith' full_name from dual union all
  3     select 'Charles Daimond' from dual union all
  4     select 'TransAtlantic Services ABC' from dual union all
  5     select 'Sachin Ramesh Tendulkar' from dual union all
  6     select 'John T. Smith' from dual union all
  7     select 'Joseph Ralph Anthony Smith' from dual)
  8  select full_name, substr(full_name, 1,instr(full_name, ' '))||
  9         substr(substr(full_name, instr(full_name, ' ', -1)+1), 1, 1) first_last,
10         substr(full_name, instr(full_name, ' ', -1)+1)||' '||
11         substr(full_name, 1, 1) last_first
12  from names;
John Smith                 John S                      Smith J
Charles Daimond            Charles D                   Daimond C
TransAtlantic Services ABC TransAtlantic A             ABC T
Sachin Ramesh Tendulkar    Sachin T                    Tendulkar S
John T. Smith              John S                      Smith J
Joseph Ralph Anthony Smith Joseph S                    Smith JYou are still on your own with Madonna as Greg pointed out.
John