Crystal Enterprise allows you to enable data sharing, which permits different users accessing the same report object to use the same data when viewing a report on demand or when refreshing a report. Enabling data sharing reduces the number of database calls, thereby reducing the time needed to provide report pages to subsequent users of the same report while greatly improving overall system performance under load. However, to get full value from data sharing, you must permit data to be reused for some period of time. This means that some users may see "old" data when they view a report on demand, or refresh a report instance that they are viewing.
For details on data sharing options for reports, see Setting report viewing options. For more information on configuring Crystal Enterprise to optimize report viewing in your system, see the planning section in the Crystal Enterprise Installation Guide.
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