The data types for object data fields are as follows. The type names in the first column are the coltype arguments for use in field definitions.
| Type | Description |
|---|---|
| integer | From –2,147,483,648 through 2,147,483,647 |
| character | Any alphanumeric string, including the empty string, "" |
| point | List of three real numbers, separated by commas, that represent a point with an X, Y, and Z value, enclosed in quotes (a string value) |
| real | From –1.7E308 through +1.7E308 |


