Set the parameters for running the data warehouse purge procedure to specify to purge old data and indicate the date from which to purge the data.
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Select Administration > Data Collection > Data Warehouse Run Parameters.
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Select the Purge Old Data check box to execute a data purge process.
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Specify the Purge to Date to purge the data through the specified date.
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Click Save Record.
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Saving the run parameter settings applies the run parameter settings to the regularly scheduled ETL process and will be in effect when the system executes the process as scheduled.
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You can set the run parameters to execute both a data load and data purge process simultaneously. To execute a data load and data purge simultaneously, select both Execute Load Procedure and Purge Old Data, and then enter a Load Type, Load from Date, and a Purge to Date.