Fully agree with you. I bought it, just to discover, that it is somehow just a simple introduction to SQL. Also what I found irritating: Nowhere on the marke

Fully agree with you. I bought it, just to discover, that it is somehow just a simple introduction to SQL. Also what I found irritating: Nowhere on the marketing page of the book I found a reference to the PostgreSQL-version for which it was written or applicable. Most probably because it is only very loosely coupled with PostgreSQL.