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- Automatically by the RollingBarrel based on expiry time
- Clear all records. 2017.01 and before: the Populator tool,later versions use the McRecoveryTool -clear_database toolaction
- MCRecoveryTool (specialised removal actions),
- Sql script in sql script or via DBVisualiser or another jdbc client. See examples below
- ImportAmalgamate (this is for merging external historical data), see also ImportAmalgamate
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