| 摘要 |
A data management system comprising: a database; a user interface located remote from the database, arranged to receive user-input data as a series of items and transfer the items to the database for storage; connection means over which user-input data can be transferred from the user interface to the database; and a charging module arranged to generate an invoice identifying a charge for storage of user-input data in the database including a portion based on the usage of the database.
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