Portal Row performance
I can use both table linkages to create portal rows.
One linkage 1, I have AlwaysTrue on parent table and child table. And I filter child rows by portal row filtering. It works perfect and I can have different filter options, including multiple IDs on the portal rows.
On linkage 2, I linked two tables together by ID. It works perfect also. And I cannot filter ID while I still have other filtering capability.
My question: if the filtering criteria are same on both linkage and both are works, which one has better performance?