ORA-00911: invalid character Cause: identifiers may not start with any ASCII character other than letters and
numbers. $#_ are also allowed after the first character. Identifiers enclosed by
doublequotes may contain any character other than a doublequote. Alternative
quotes (q'#...#') cannot use spaces, tabs, or carriage returns as delimiters. For all
other contexts, consult the SQL Language Reference Manual. Action: None