Offset of the field's value in the dataset buffer.
Source position: db.pas line 464
Offset is the location of the field's contents in the dataset memory buffer. It is read-only and initialized by the dataset when it is opened.
| 
 | Number of the field in the record. | |
| 
 | Index of the field in the list of fields. | |
| 
 | Size of the field's data. |