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I am trying to display three spaces on sqlplus screen and it is not displaying in case 1 and it is displaying in case2. What is the reason for not displaying in case 1.
Windows NT Oracle 81
CASE : 1
-----------
1 declare
2 a varchar2(3) := ' ';
3 begin
4 dbms_output.put_line(a||'testing');
5* end;
SQL> /
testing
PL/SQL procedure successfully completed.
CASE : 2
-----------
1 declare
2 a varchar2(3) := ' ';
3 begin
4 dbms_output.put_line('testing'||a||'testing');
5* end;
SQL> /
testing testing
Thanks
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