The underscore (_), at sign (@), or number sign (#). The << operator inserts the data that follows it into the stream that precedes it. r+. Our system won't be able to process URLs containing spaces or certain symbols. The second observation of this dataset would cause _ERROR_ variable to be set to 1 as the INPUT function tries to convert the character value “U” to a number. When I try to cast the clob to xmltype, I get the following error: When this xml is assigned directly to a clob variable, it can be parsed to an xmltype ok. They may have come from 16-bit RAD50 character encoding limits. In this example, cin sets the fail bit on the stream when it comes across non-numeric characters. The source stream column name begins with a number. The code does not have to be surrounded by