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postgreSQL Extention FDW


FDW is an implimentation of dblink it is more helpful, so to use it:

1-Create an extention:

CREATE EXTENSION postgres_fdw;

2-Create SERVER:

CREATE SERVER name_srv FOREIGN DATA WRAPPER postgres_fdw OPTIONS (host 'hostname',
dbname 'bd_name', port '5432');

3-Create user mapping for postgres server

CREATE USER MAPPING FOR postgres SERVER name_srv OPTIONS(user 'postgres', password
'password');

4-Create foreign table:

CREATE FOREIGN TABLE table_foreign (id INTEGER, code character varying)
SERVER name_srv OPTIONS(schema_name 'schema', table_name 'table');

5-use this foreign table like it is in your database:

SELECT * FROM table_foreign;



Conclusion

In this page (written and validated by ) you learned about postgreSQL Extention FDW . What's Next? If you are interested in completing postgreSQL tutorial, your next topic will be learning about: postgreSQL Foreign Data Wrapper.



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