Relational Data Browse is a DbSchema embedded tool for exploring and editing data from multiple tables.
What the SQL can do with complicated queries you can do just using the mouse !
Start with a table you may cascade into further tables following the foreign keys between tables.
If you don't have foreign keys you may create virtual foreign keys in the layout.
They will be saved together with the browse editor in the project file.
Selecting a different record in the first table will refresh the children tables with the matching records.