Same database. Postgres ("POST-gress") is the short colloquial name; PostgreSQL ("POST-gress-Q-L" or "POST-gress sequel") is the official name documented on the project site. Both readings of PostgreSQL appear in the wild — the official FAQ accepts "post-gres-Q-L".
| Postgres | PostgreSQL | |
|---|---|---|
| IPA | /ˈpoʊstɡrɛs/ | /ˈpoʊstɡrɛs kjuː ˈɛl/ |
| Respelling | post gress | post gress Q L |
| Category | product | product |
| Confidence | creator-clarified | creator-clarified |
Open the full dictionary entry for sources and alternate readings: Postgres · PostgreSQL.