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Mastering PostgreSQL 12 - Third Edition
book

Mastering PostgreSQL 12 - Third Edition

by Hans-Jürgen Schönig
November 2019
Beginner to intermediate content levelBeginner to intermediate
470 pages
11h 59m
English
Packt Publishing
Content preview from Mastering PostgreSQL 12 - Third Edition

Connecting to remote servers using postgres_fdw

Data is not always in just one location. More often than not, data is spread all over the infrastructure, and it may be that data residing in various places has to be integrated.

The solution to this problem is a foreign data wrapper, as defined by the SQL/MED standard.

In this section, the postgres_fdw extension will be discussed. It is a module that allows us to dynamically fetch data from a PostgreSQL data source. The first thing we need to do is deploy the foreign data wrapper:

test=# \h CREATE FOREIGN DATA WRAPPER Command: CREATE FOREIGN DATA WRAPPERDescription: define a new foreign-data wrapperSyntax:CREATE FOREIGN DATA WRAPPER name     [ HANDLER handler_function | NO HANDLER ] [ VALIDATOR ...
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Publisher Resources

ISBN: 9781838988821Supplemental Content