Where can I download Northwind database for Postgr

Is there a downloadable Postgres database that contains dummy data? preferably Northwind, something i can practice my query ideas

回答1:

There are a number of sample databases available as a pgFoundry project at http://pgfoundry.org/projects/dbsamples/

回答2:

I was able to download the Northwind Database (for PostgreSQL) from

http://www.antepedia.com/detail/p/48023267.html

specifically

[ deprecated: ~~http://northwindextended.googlecode.com/files/northwind.postgre.sql~~ ]

[ updated: Oct 2016: ] https://code.google.com/archive/p/northwindextended/downloads

Loading/accessing the database:

sudo -u postgres psql     ## or: sudo su postgres

postgres=# \i northwind.postgre.sql;

postgres=# \d
                List of relations
 Schema |         Name         | Type  |  Owner   
--------+----------------------+-------+----------
 public | categories           | table | postgres
 public | customercustomerdemo | table | postgres
 public | customerdemographics | table | postgres
 public | customers            | table | postgres
 public | employees            | table | postgres
 public | employeeterritories  | table | postgres
 public | order_details        | table | postgres
 public | orders               | table | postgres
 public | products             | table | postgres
 public | region               | table | postgres
 public | shippers             | table | postgres
 public | shippers_tmp         | table | postgres
 public | suppliers            | table | postgres
 public | territories          | table | postgres
 public | usstates             | table | postgres
(15 rows)

postgres=# \d customers;
             Table "public.customers"
    Column    |         Type          | Modifiers 
--------------+-----------------------+-----------
 CustomerID   | bpchar                | not null
 CompanyName  | character varying(40) | not null
 ContactName  | character varying(30) | 
 ContactTitle | character varying(30) | 
 Address      | character varying(60) | 
 City         | character varying(15) | 
 Region       | character varying(15) | 
 PostalCode   | character varying(10) | 
 Country      | character varying(15) | 
 Phone        | character varying(24) | 
 Fax          | character varying(24) | 
Indexes:
    "pk_customers" PRIMARY KEY, btree ("CustomerID")

# Note the following query error:

postgres=# SELECT DISTINCT City FROM customers ORDER BY City;
ERROR:  column "city" does not exist
LINE 1: SELECT DISTINCT City FROM customers ORDER BY City;
                        ^

# ... use use double-quotes if your column name
# (etc.) contains some uppercase characters:

postgres=# SELECT DISTINCT "City" FROM customers ORDER BY "City";
      City       
-----------------
 Aachen
 Albuquerque
 Anchorage
 Århus
 Barcelona
 [ ... snip! ... ]
 Tsawassen
 Vancouver
 Versailles
 Walla Walla
 Warszawa

This database is used (e.g.) in this excellent, online tutorial (I skipped ahead a few pages, to the first page that mentions it):

http://www.w3schools.com/sql/sql_syntax.asp

回答3:

The other two answers seems to be outdated.

You can get northwind db creation script from this link

Run query using PG admin or psql command

回答4:

If you really want that specific one, you can grab a PostgreSQL port of Northwind from the DbLinq unit test data set. See http://groups.google.com/group/dblinq/web/unit-tests for somewhat sketchy notes on how to do that.