SQL> ! oerr ora 910
00910, 00000, “specified length too long for its datatype”
// *Cause: for datatypes CHAR and RAW, the length specified was > 2000;
// otherwise, the length specified was > 4000.
// *Action: use a shorter length or switch to a datatype permitting a
// longer length such as a VARCHAR2, LONG CHAR, or LONG RAW
