InterSystems IRIS Business Intelligence allows you to keep your cubes up to date in multiple ways. This article will cover building vs synchronizing. There are also ways to manually keep cubes up to date, but these are very special cases and almost always cubes are kept current by building or synchronizing.
What is Building?
The build starts by removing all data in the cube. This ensures that the build is starting in a clean state. The build then goes through all records specified by the source class.
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