Question

hi friends i need to get input from user at the execution of pl/sql block i have tried this one:

Accept x number prompt 'enter variable'
set serveroutput on
declare
begin
dbms_output.putline('ut entered value id'||x);
end;
/

but i got error as:

Error starting at line 3 in command:

declare
begin
dbms_output.putline('ut entered value id'||x);
end;
Error report:
ORA-06550: line 7, column 44:
PLS-00201: identifier 'X' must be declared
ORA-06550: line 7, column 1:
PL/SQL: Statement ignored
06550. 00000 -  "line %s, column %s:\n%s"
*Cause:    Usually a PL/SQL compilation error.
*Action:

can anybody help me!

Answer 1

SQL*Plus substitution variables are referenced with an ampersand &:

SQL> Accept x number prompt 'enter variable:'
enter variable:1234
SQL> set serveroutput on
SQL> declare
  2  begin
  3  dbms_output.put_line('ut entered value id:'||&x);
  4  end;
  5  /
old   3: dbms_output.put_line('ut entered value id:'||&x);
new   3: dbms_output.put_line('ut entered value id:'||      1234);
ut entered value id:1234

PL/SQL procedure successfully completed.