182Solving Operational Business Intelligence with InfoSphere Warehouse Advanced Edition
5.2.1 Temporal data management with system time
System time refers to the time (a time stamp) at which point a data record is
changed in InfoSphere Warehouse 10 (that is, in a DB2 table). This change can
be one of an insert, update, or delete, and typically it is associated with some
business transaction of interest. The following are examples of events for which
you might want to track system time:
A sales transaction is inserted into the database (table row insert)
A medical insurance plan coverage amount for emergency care is increased
(table row update) ...
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