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Optional Data Persistence
Data is kept entirely separate from the system(s) handling it.
Data held on an integral or external fileserver can be (re)loaded as required. For example, a program has been developed to load dBase files. Data handled in this way is typically only available to two-tier (client/server) applications though.
Native data can be made completely persistent by means of timelines and archiving. More ...
Such data can then be made available to three-tier (web) applications.
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