May 2019
Intermediate to advanced
600 pages
20h 46m
English
PostgreSQL is an open source object-relational database management system (ORDBMS) distributed under a very permissive license, and developed by an active community.
There are a number of PostgreSQL-related services and software (https://wiki.postgresql.org/wiki/PostgreSQL_derived_databases), either open source or not, that are provided by other software companies. Here, we discuss how to recognize which one you are using.
It is not so easy to detect the variant of PostgreSQL from the name; many of the products and services involving PostgreSQL include the word Postgres or PostgreSQL.
However, if you need to check the documentation, or to buy services such as support and consulting, you need to find out exactly ...
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