KS DB Merge Tools
for MS Access
aka AccdbMerge
for SQL Server
aka MssqlMerge
for MySQL
and MariaDB
for SQLite
for PostgreSQL

Compare query data

Open databases (see Project changes summary use case) and 1click on Queries:

to open Object list tab with views. Note that rows highlight here is related only to query SQL definition changes and not related to data changes. Then 2click 'Compare data' for the required query, 3specify key fields combination and 4 click 'OK':

to open Data diff tab with result:

Here you can 5apply filter to show only changed and/or new records: