A conglomerate is an abstract storage structure (they correspond to access methods).
The factory interface for all conglomerate access methods.
The interface of all access method factories.
The ScanManager interface contains those methods private to access method implementors necessary to implement Scans on Conglomerates.
The factory interface for all sort access methods.
The TransactionManager interface provides methods on the transaction needed by an access method implementer, but should not be visible to clients of a TransactionController.