Knowledge Modules (KMs) implement different tasks within the Oracle Business Analytics Warehouse system.
The following are the different types of KMs available:
Reverse-engineering (RKM). Used for reading the table and other object metadata from source databases and to import tables, columns, and indexes into a model. See About Reverse Knowledge Modules.
Loading (LKM). Used for efficient extraction of data from source databases for loading into a staging area (database-specific bulk unload utilities can be used where available).
Integration (IKM). Used to load data into a target with different strategies, for example, slowly changing dimensions and insert/update strategies.
Check (CKM). Used to validate and cleanse data.
Journalizing (JKM). Used to record the new and changed data within either a single table or view or a consistent set of tables or views.
Service (SKM). Used to expose data in the form of web services.