Maybe a stupid question. When just looking at the data model (and not e.g. the q...

karussell 59 days ago | parent | context | favorite | on: Postgres as a Graph Database: (Ab)Using PgRouting

Maybe a stupid question. When just looking at the data model (and not e.g. the query language) ... but is there a real difference between a "graph" database and a "normal SQL" database when the SQL database is able to directly point to rows (ROWID?) without a separate index?