SQL Server: @history=<n>
Oracle: history=><n>
Specifies the aggregation period in months for snapshot data. Unlike data aggregated for individual timeslots, snapshot data is not broken down by timeslot; instead, snapshots refer to total incident counts for the whole snapshot period. Snapshots are calculated for the following metrics: Reviewed Events, New Events, and Escalated Events.
For example, if <n> is set to 3, an aggregation that runs on 20 June will calculate snapshot totals based on all qualifying incidents with a capture timestamp of 20 March or later:
@history=3
history=>3
Note: Reviewers viewing the iConsole dashboard need to be aware that snapshot data relates to a specific point in time, namely, the time that the last aggregation job ran. Snapshots are not calculated in real time when the reviewer views or refreshes the dashboard.
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