Getting Error - ORA-01858: a non-numeric character was found where a numeric was expected

Question

I am getting the error in the below sql:

ORA-01858: a non-numeric character was found where a numeric was expected

SELEC         


        

Answer 1

This error can come not only because of the Date conversions

This error can come when we try to pass date whereas varchar is expected
or
when we try to pass varchar whereas date is expected.

Use to_char(sysdate,'YYYY-MM-DD') when varchar is expected