[ADMIN] Restore after pg_dumpall

>pg_dumpall > alldb.sql (store) >and >psql -f alldb.sql postgres (restore) >is it necessary to drop existing objects (for example roles, ...) ? >Any help is appreciated. Last days i'm looking tot he options of pg_dumpall and I think the answer of my question is using option -c. Using this op

[ADMIN] Restore after using pg_dumpall

Hallo, between pg_dumpall > alldb.sql (store) and psql -f alldb.sql postgres (restore) is it necessary to drop existing objects (for example roles, ...) ? Any help is appreciated.