VSIZE returns the number of bytes in the internal representation of expr. If expr is null, then this function returns null.

This function does not support CLOB data directly. However, CLOBs can be passed in as arguments through implicit data conversion.

See Also:

"Data Type Comparison Rules" for more information


The following example returns the number of bytes in the last_name column of the employees in department 10:

SELECT last_name, VSIZE (last_name) "BYTES"      
  FROM employees
  WHERE department_id = 10
  ORDER BY employee_id;
LAST_NAME            BYTES
--------------- ----------
Whalen                   6