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  1. DECLARE
  2. fname VARCHAR2(25);
  3. lname VARCHAR2(25) DEFAULT 'Oracle';
  4. BEGIN
  5. DBMS_OUTPUT.PUT_LINE(fname || ' ' || lname);
  6. END;
Success #stdin #stdout #stderr 0.01s 9004KB
stdin
Standard input is empty
stdout
Object: nil error: did not understand #fname
MessageNotUnderstood(Exception)>>signal (ExcHandling.st:254)
UndefinedObject(Object)>>doesNotUnderstand: #fname (SysExcept.st:1448)
UndefinedObject>>executeStatements (prog:1)
stderr
./prog:2: expected expression