I have a database which I create using dia and tedia2sql. I developed another version with more tables, without changing anything that was already present in the first version. Now I want to copy the data from one database to another, so I thought about pg_dump -a, assuming that since there is no change in the structure and I can freely and and reload the information. My problem is that when I reload the data into the new database, I have several error about foreign keys violation. For what I've been able to understand, it seems to be a problem of loading order and tables referring to others are loaded earlier than those. Is there a way to export tables in order, so that dependencies are always met? reading the manpage of pg_dump I found the -Fc flag, but I haven't understood if it is good for me and how it works. Or is there a way to relax constraints while loading data?
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