Yes. PostgreSQL is a reference to the Post Ingres database (POSTGRES) adopting SQL. Ingres used QUEL. The POSTGRES database used POSTQUEL which was similar t

Yes. PostgreSQL is a reference to the Post Ingres database (POSTGRES) adopting SQL. Ingres used QUEL. The POSTGRES database used POSTQUEL which was similar to Ingres’ QUEL. This is why the Postgres C library is called libpq (library post quel) https://en.m.wikipedia.org/wiki/QUEL_query_languages https://en.m.wikipedia.org/wiki/QUEL_query_languages https://en.m.wikipedia.org/wiki/PostgreSQL# https://en.m.wikipedia.org/wiki/PostgreSQL#