ROWLABEL
This reserved word is the name of a column automatically created by Trusted Oracle7 for all tables in the database. This column holds the label for each row in the table. For more information on ROWLABEL, see Trusted Oracle7 Server Administrator's Guide.
In the standard Oracle7 Server, ROWLABEL is also a reserved word and always evaluates to null.
VARCHAR2
This reserved word is a datatype for variable length character strings. For more information on this datatype, see the section "Oracle Datatypes" beginning and the section "Character Datatypes" .
Do not use these words to name objects or their parts in Oracle7.