Changing the Password for a User v2.0
This can be done via pgAdmin III.
Open pgAdmin III and connect to PostgreSQL as an Admin user.
Click on the node for your Spatial Data Warehouse database (sdw) in the tree view.
Click on the SQL button and launch the query window.
Enter the following command in the SQL Editor.
ALTER USER "user" WITH PASSWORD 'password';e.g.
Click on the green arrow
You should see a message like this in the Output pane (the number of msec may be different).