The number is the “index” (i.e. the point where we want to insert our value), and the string is the data we are entering. You may notice something strange here: in order to add a new third ...

I want to insert data into my Oracle table, which has the following structure: SUBJECT VARCHAR2(4000 BYTE) TEXT LONG PREDICTED_CATEGORY VARCHAR2(1000 BYTE) TRUE_CATEGORY VARCHAR2(1000 BYTE) ...