| Project Data Tables Database > td Schema : td.MODULES Table | 
| Column Name | Description | Datatype | Length | Allow Nulls | Default | Formula | |
|---|---|---|---|---|---|---|---|
   | MD_ID | The module ID. | int | 4 | |||
| MD_NAME | The module name. | varchar | 255 | ![]()  | |||
| MD_GUID | The Globally Unique Identifier of the module component. | varchar | 255 | ![]()  | |||
| MD_DESC | The module description. | varchar | 255 | ![]()  | |||
| MD_VISIBLE | A bit mask that specifies the groups whose members may view the module. If bit X is set, module access is enabled for the group identified with GROUPS.GR_GROUP_ID = X. | varchar | 512 | ![]()  | |||
| MD_ORDER | The position of an extension module in the collection of extensions. This field does not apply to built-in modules. | int | 4 | ![]()  | 
| Index | Description | Primary | Unique | 
|---|---|---|---|
| MD_PRIMARYKEY | ![]()  | ![]()  |