How to update the target table without using update strategy transformation?

Question

How can we update a record in target table without using Update strategy?

Answer 1

We can update all rows by setting Treat rows as update in properties tab of session task.
More details can be found on update without update strategy in informatica

Answer 2

In the session properties, there is an option 'Treat Source Rows As'. Using this option you can specify whether all the source rows need to be inserted, updated or deleted.