org.openmrs.api.db
Interfaces 
ActiveListDAO
AdministrationDAO
CohortDAO
ConceptDAO
ContextDAO
EncounterDAO
FormDAO
LocationDAO
NoteDAO
ObsDAO
OrderDAO
PatientDAO
PatientSetDAO
PersonDAO
ProgramWorkflowDAO
SerializedObjectDAO
TemplateDAO
UserDAO
Classes 
LoginCredential
SerializedObject
Exceptions 
DAOException