DROP TABLE ohdsi.dbo.concept; DROP TABLE ohdsi.dbo.vocabulary; DROP TABLE ohdsi.dbo.domain; DROP TABLE ohdsi.dbo.concept_class; DROP TABLE ohdsi.dbo.concept_relationship; DROP TABLE ohdsi.dbo.relationship; DROP TABLE ohdsi.dbo.concept_synonym; DROP TABLE ohdsi.dbo.concept_ancestor; DROP TABLE ohdsi.dbo.source_to_concept_map; DROP TABLE ohdsi.dbo.drug_strength; DROP TABLE ohdsi.dbo.cdm_source; DROP TABLE ohdsi.dbo.metadata; DROP TABLE ohdsi.dbo.person; DROP TABLE ohdsi.dbo.observation_period; DROP TABLE ohdsi.dbo.specimen; DROP TABLE ohdsi.dbo.visit_occurrence; DROP TABLE ohdsi.dbo.visit_detail; DROP TABLE ohdsi.dbo.procedure_occurrence; DROP TABLE ohdsi.dbo.drug_exposure; DROP TABLE ohdsi.dbo.device_exposure; DROP TABLE ohdsi.dbo.condition_occurrence; DROP TABLE ohdsi.dbo.measurement; DROP TABLE ohdsi.dbo.note; DROP TABLE ohdsi.dbo.note_nlp; DROP TABLE ohdsi.dbo.observation; DROP TABLE ohdsi.dbo.survey_conduct; DROP TABLE ohdsi.dbo.fact_relationship; DROP TABLE ohdsi.dbo.episode; DROP TABLE ohdsi.dbo.episode_event; DROP TABLE ohdsi.dbo.location; DROP TABLE ohdsi.dbo.location_history; DROP TABLE ohdsi.dbo.care_site; DROP TABLE ohdsi.dbo.provider; DROP TABLE ohdsi.dbo.payer_plan_period; DROP TABLE ohdsi.dbo.cost; DROP TABLE ohdsi.dbo.drug_era; DROP TABLE ohdsi.dbo.dose_era; DROP TABLE ohdsi.dbo.condition_era;