These services are generally designed for use by information professionals, if you have one available to you, this is where their expertise should be used. For other hints for effective and efficient use of online searching, see the Tips for Saving Time and Money Online chapter. In addition to a computer and modem or telnet capabilities, you must subscribe to the database service that provides access to the database. See the Directory of Database Services for information on subscribing to services. Cost This varies depending on the database service and, sometimes, on the database within the service.
Most vendors have various pricing options available.
Careful shopping, and knowledgeable searching will help keep the cost of these high-end services in check. The magazine of online information systems Online Inc. 462 Danbury Rd.