Lookup table containing map theme descriptions.
| Field Name | Field Description | Data Type | Field Size* | ThemeID | The primary key for the table Theme | smallint | 2 | Topic | The major topic category of the theme variable | varchar | 255 | Terms | The minor topic category of the theme variable | varchar | 255 | Variables | The theme description | varchar | 255 | Alias | An abbreviation for the variable in the MapTheme table | varchar | 255 | StreamNetTheme | A logical flag (T/F) describing whether or not the theme record is currently used by StreamNet | char | 1 |
*The text datatype pre-allocates only 16 bytes. Size represents actual bytes for all other data types.