Subscriptions allow you to deliver a report to a server share on a scheduled basis. Enabling the report server's e-mail delivery gives you the ability to mail the contents of a report to an e-mail alias or deliver a copy of the report to a server share and a link to the report via e-mail. Subscriptions are valuable because you can schedule common report requests to be sent to users that need some information. You also have the additional advantage of scheduling complex reports to run in non-working hours.

Report caching shortens the time for a user to retrieve a report, especially when the report is large. When a user sends a request for a report, a query is sent to the database. Then, an intermediate form of the report is cached on the report server and the final report is sent to the...