On 10/31/2017 12:15 AM, Sherman Willden wrote:
I am trying to access a table from another database. I have the
permissions to create under my own login. I have performed the
following so far:
sherman@sql-dev: createdb sandbox01
sherman@sql-dev:~$ createdb sandbox02.
After logging into sandbox02 I performed the following: sandbox02=#
CREATE TABLE last_names(last_name TEXT);
sandbox02=# INSERT INTO last_names VALUES(willden);
Now I think I want to use a foreign key in sandbox01. Is the following
how it works after logging into sandbox01?
sandbox01=# CREATE TABLE first_and_last(first_name TEXT, last_name
FOREIGN KEY last_name REFERENCES sandbox02(last_names(last_name))
and then sandbox01=# INSERT INTO first_and_last(sherman, willden);
if you're doing a lot of this, why not use two schema in the same
database? then its just ...schema.table...
otherwise, you need to use FDW and foreign tables.
see....
https://www.postgresql.org/docs/current/static/postgres-fdw.html
--
john r pierce, recycling bits in santa cruz
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