SQL Error: ORA-01861: literal does not match format string 01861

Question

I am trying to insert data into an existing table and keep receiving an error.

INSERT INTO Patient  
(
  PatientNo,
  PatientFirstName,
  PatientLastName,
           


        

Answer 1

Try replacing the string literal for date '1989-12-09' with TO_DATE('1989-12-09','YYYY-MM-DD')