In a distributed database system, a program often referred to as the database's back end runs constantly on a server, interpreting data files on the server as a standard relational database. Programs on client computers allow users to manipulate that data, using tables, columns, rows, and fields.
A solar energy system big enough to power a computer and a few other small items might cost you about $700 to $1000. These are also well suited for RVs, boats and camping. Learn more about portable solar energy units.
How much does solar energy really cost? The typical residential solar system will cost between $15,000-$25,000 once solar rebates and incentives are taken into account. However, this is a small price to pay given that you will probably spend over $72,000 on electricity over the life of your solar system.