Configuration - Advanced Settings – adverity Help Center

All Datastreams have the same Advanced Settings, found in the left-hand menu in each Datastream Overview.

Extract Filenames:
- Unique by fetch
  Each new Data Extract will be given a unique name.
- Unique by day
  Each calendar day, as defined by the Key Date Column, will generate a separate Data Extract. Subsequent fetches including data from that same calendar day will update that Data Extract.
Key Date Column:
All viable Date columns available from the Datastream are displayed in the drop-down, select the one you wish to define your key date value.
Retention Type:
- Retain All
  All data extracts will be retained indefinitely.
- Retain N fetches
  A number of fetches equal to the Retention Number will be retained.
- Retain N extracts
  A number of extracts equal to the Retention Number will be retained.
- Retain N days
  A number of days equal to the Retention Number will be retained.
Retention Number:
The number of fetches/extracts/days to be retained.
Remove if empty:
If ticked, data extracts containing no rows will be automatically deleted, without sending you a notification.
Prune instantly:
If ticked, all deleted extracts will not be retained for the usual grace period.

Lock Mapping:
Prevent Schema Mapping from being updated with each new Data Extract.
- Off
  Update Schema Mapping with every new Data Extract.
- Auto
  Lock only for raw extracts.
- On
  Lock all Schema Mapping.
Sequential:
If ticked, extracts will fetched in sequential order.
Refetch:
Number of extracts to be refetched when conducting a fetch action.
Share with children:
If ticked, all child Workspaces will be able to access this Datastream.

Name:
The name that will appear in the list of Datastream Templates.
Serialized data:
Directly edit the serialized .json configuration, making the configuration available as a Datastream Template.
Description:
The description that will appear in the Datastream Templates list.

Configuration - Advanced Settings