Create unique activity table
You must merge the activity tables you created for each extraction into a single activity table. ARIS Process Mining can process only one activity table per data set.
Add a new transformation with ACTIVITIES as name and P2P as namespace.
Add the following lines to the statement to add all Purchase requisition item activities to the new activity table.
SELECT *
FROM `PURCHASE_REQUISITION_ITEM.ACTIVITIES_PURCHASE_REQUISITION_ITEM`
Click Preview to view all Purchase requisition item activities in the result table.
Add the following lines to the statement to add all Purchase order item activities to the new activity table.
UNION ALL
SELECT *
FROM `PURCHASE_ORDER_ITEM.ACTIVITIES_PURCHASE_ORDER_ITEM`
Click Preview to view all Purchase requisition item activities together with all Purchase order item activities in the result table.
You have created a transformation that creates a single activity table that includes all Purchase requisition item and all Purchase order item activities.
The statement looks like this:

Here you can find the sample transformation statement as an SQL code snippet. You can use the snippet to follow the described example: