ROWIDTONCHAR
converts a rowid value to NVARCHAR2
data type. The result of this conversion is always in the national character set and is 18 characters long.
The following example converts a rowid value to an NVARCHAR2
string:
SELECT LENGTHB( ROWIDTONCHAR(ROWID) ) Length, ROWIDTONCHAR(ROWID) FROM employees ORDER BY length; LENGTH ROWIDTONCHAR(ROWID ---------- ------------------ 36 AAAL52AAFAAAABSABD 36 AAAL52AAFAAAABSABV . . .