Use the getSQLState and getMessage methods
to view the SQLState and error messages. Use getErrorCode to
see the error code. The error code defines the severity of the error and is
not unique to each exception. Severity is not standardized in .
Applications should not depend on the severity returned from SQL exceptions.
Applications should also check for and process java.sql.SQLWarnings,
which are processed in a similar way. issues
an SQLWarning if the create=true attribute
is specified and the database already exists.