When you publish a workbook that has an incremental extract, you can associate it with up to two refresh tasks that Tableau Server will handle for you: An incremental refresh of the extract and a full
refresh. After you publish the workbook, you or a Tableau Server administrator can modify any tasks that are associated with the workbook. You can also delete tasks or add more.
Publish and Assign a Schedule
In Tableau Desktop, after you create a workbook that uses an extract, go to Server > Publish Workbook, and click Scheduling & Authentication. Next, choose schedules for your refreshes and click OK.
After you publish in Tableau Desktop and choose your refresh schedules,Tableau Server handles the refresh tasks for you.
2 Select the Workbook
To modify a workbook’s scheduled task, sign in to Tableau Server and on the Workbooks page, select the workbook:
3 Access the Refresh Schedule
Click Refresh Schedule.
Select the check box for the refresh task you want to modify:
4 Edit, Delete, or Add More Tasks
Select the action you want to take—for example, Change Schedule—and make your selection. You can also delete the task, change its priority, or add more refresh tasks.