Oracle PL/SQL Tutorial/Conversion Functions/ROWIDTONCHAR
ROWIDTONCHAR(x): Converts the ROWID x to an NVARCHAR2 character.
SQL>
SQL> SELECT LENGTHB( ROWIDTONCHAR(ROWID) ), ROWIDTONCHAR(ROWID) FROM dual;
LENGTHB(ROWIDTONCHAR(ROWID)) ROWIDTONCHAR(ROWID
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36 AAAAECAABAAAAgiAAA
SELECT CAST(NULL AS TIMESTAMP WITH LOCAL TIME ZONE) from dual;
CAST(NULLASTIMESTAMPWITHLOCALTIMEZONE)
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