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What are (Historical) objects? How do they affect org data storage?

Knowledge Article Number 000199410
Description Storage can be used in large amounts by objects when Historical Trending is enabled.
The Historical Trending data is contained in a separate table named "ObjectName (Historical)".
Resolution  When Historical Trending is enabled, data storage can be used in large amounts .
The Historical Trending data is contained in a separate table named "'ObjectName' (Historical)".
So for example, for the "Case" object, the Historical Trending data will be in a table named: "Case (Historical)".
 
   To delete this Historical Trending data and recover the storage space:  click Setup | Customize | Reports and Dashboards | Historical Trending.
  1. Select the object that you want to disable historical trend reporting on.
  2. Uncheck Enable Historical Trending.

    If you need to turn off historical trending for an object, keep these points in mind.

  • When you turn off historical trending for a field, that field’s historical data is deleted.
  • When you turn off historical trending for an object, all historical data and configuration settings are deleted for that object, including the object’s historical trending report type and any reports that have been created with it.
  • When you turn off historical trending for a field, and then delete that field, the field’s historical data will not be available if historical trending is enabled again.




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