Returns the Oracle maximum column size as stored in the Oracle data dictionary. Not available at design time and read-only at run time.
The return value is dependent on the Oracle internal data type. The following values will be returned:
| Oracle Column Type | Value | 
|---|---|
| CHAR,VARCHAR2,RAW | Length of the column in the table | 
| NUMBER | 22(the internal length) | 
| DATE | 7(the internal length) | 
| LONG,LONGRAW | 0 | 
| ROWID | System dependent | 
| Functions returning internal data type 1, such asTO_CHAR() | Same as orafield.MaxDSize |