The Data Table Definition functionality is concentrated in the Required Items and Attributes tabs in the Data Tables interface. This article focuses on the second tab, Attributes.

Attributes

The Attributes tab is used to define the sources and parameters for each of the HPMS data items. There are four internal tabs on this interface:

1. R&H Events -- Used to add HPMS Data Items to the selected HPMS Data table using a registered Roads and Highways event as the source data.
2. Non-R&H Events -- Used to add HPMS Data Items to the selected HPMS Data table from a file or database table source.
3. Parent/Child Events -- Used to add data items where the source data has a parent data item.
4. Derived Events -- Used to add derived data items.

Controls

There are some static controls on the Attributes tab. 

Status

Similar to the other Data Table Definitions tab, Required Items, the Attributes tab hosts status columns in each of their internal tabs. Once an overlay is populated, an icon will appear beside the associated data item, indicating the status of the imported data. Each time the overlay is populated or refreshed, this icon will be updated to reflect the import status of the tab data. Click here to learn more about the status types.

Delete Data Items

Data items can be deleted from any table by clicking the checkbox to the left of each desired item or using the checkbox in the table header to select all data items for deletion. Once items are selected, the user can click the “Delete All Selected” link to permanently delete the items from the Data table definition.