Find differences between 2 base dumps (under 1 GB)?

Question

PostgreSQL

There are two almost identical dumps under 1GB (postgresql)
We need to find what data has been changed.
for diff the error "diff: memory exhausted"
falls How to calculate differences???

Answer 1

Try either rdiff or xdelta

Answer 2

maybe split + diff?

Answer 3

Try Toad for Data Analysts . It also knows how to build requests for synchronization