=?UTF-8?B?SsOpcsO0bWUgRXTDqXbDqQ==?= <jerome.eteve@gmail.com> writes:
> I know this is none of the user's business, but I'm wondering how
> blob's implemented as oid are stored in the postgresql data storage.
> Are each of them kept in a separate file, or are they chunked into
> pieces and scattered ?
They're in chunks in the pg_largeobject catalog.
http://developer.postgresql.org/pgdocs/postgres/catalog-pg-largeobject.html
regards, tom lane