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.
So what is the current cost of residential solar power? As of early 2015, itâs approximately $3.00 per installed watt. The average sized solar panel system is 5,000 watts, so this brings the total cost to $15,000. That 15k figure is just an average amount.Systems can cost more or less mostly depending upon a homeownerâs energy usage. That $3.00 per watt is, if anything, on the very low side. Pricing can vary due to specific brand of panels used, inverter brand, and regional pricing differences.he average sized solar panel system is 5,000 watts, so this brings the total cost to $15,000. That 15k figure is just an average amount. Systems can cost more or less mostly depending upon a homeownerâs energy usage.