postgreSQL EXTENSION dblink and postgres fdw

Examples

Extention dblink

dblink EXTENSION is a technique to connect another database and make operation of this database so to do that you need:

1-Create a dblink extention:

CREATE EXTENSION dblink;

2-Make your operation:

For exemple Select some attribute from another table in another database:

SELECT * FROM
dblink ('dbname = bd_distance port = 5432 host = 10.6.6.6 user = username
password = passw@rd', 'SELECT id, code FROM schema.table')
AS newTable(id INTEGER, code character varying);

Conclusion

In this page (written and validated by A. Gawali) you learned about postgreSQL EXTENSION dblink and postgres fdw . What's Next? If you are interested in completing postgreSQL tutorial, your next topic will be learning about: postgreSQL Extention FDW.

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