Make MERGE on PostgreSQL 9.5 [duplicate]

Answer 1

Postgres has no MERGE statement:

https://www.postgresql.org/docs/current/static/sql-commands.html

Use INSERT ON CONFLICT DO instead:

https://www.postgresql.org/docs/current/static/sql-insert.html

There are some movement towards MERGER statement, but it will not necessarily be smth that you expect:

https://wiki.postgresql.org/wiki/SQL_MERGE