Evaluation of Low Blood Sugar Events in Participants With Diabetes (MK-0431-401)

Inclusion Criteria: * Participants diagnosed with Type 2 DM. * Participants at least 30 years of age at time of Type 2 DM diagnosis. * Participants treated with SU monotherapy or SU + MF combination therapy for at least 6 months prior to enrollment. * Participants receiving diabetes care from a cardiologist, nephrologist, neurologist, or family practice doctor for at least 6 months. * Participants with a clinical record in the health care center. * Participants in whose medical records a minimum core data set can be found; core data defined as: age, gender, duration of diabetes/age at diagnosis, all glucose-lowering medications (branded and generic names, dosage, dosing frequency, starting and stopping dates) since the start of all antihyperglycemic medications. Exclusion Criteria: * Participants with Type 1 DM. * Participants who are pregnant or with gestational DM. * Participants receiving any anti-diabetic treatment from an endocrinologist/diabetologist in the previous 6 months. * Participants requiring daily concomitant usage of insulin. * Participants receiving any oral diabetes medications other than SU or SU + MF. * Participants who are already participating in a clinical trial or other clinical study. * Participants for whom it would be impossible to complete the questionnaire.