
    drop table Category_Category if exists;

    drop table Custom_Category if exists;

    drop table Custom_contributors if exists;

    drop table Custom_emails if exists;

    drop table Custom_links if exists;

    drop table Custom_numbers if exists;

    drop table Date_contributors if exists;

    drop table Date_emails if exists;

    drop table Date_links if exists;

    drop table Date_numbers if exists;

    drop table Date_types if exists;

    drop table Event_Category if exists;

    drop table Event_contributors if exists;

    drop table Event_emails if exists;

    drop table Event_links if exists;

    drop table Event_numbers if exists;

    drop table EventInfo_Group if exists;

    drop table Exhibition_contributors if exists;

    drop table Exhibition_emails if exists;

    drop table Exhibition_hours if exists;

    drop table Exhibition_links if exists;

    drop table Exhibition_numbers if exists;

    drop table Group_contributors if exists;

    drop table Group_emails if exists;

    drop table Group_links if exists;

    drop table Group_numbers if exists;

    drop table LegalPerson_Category if exists;

    drop table LegalPerson_emails if exists;

    drop table LegalPerson_links if exists;

    drop table LegalPerson_numbers if exists;

    drop table Location_Category if exists;

    drop table Location_emails if exists;

    drop table Location_hours if exists;

    drop table Location_links if exists;

    drop table Location_numbers if exists;

    drop table Node if exists;

    drop table Node_features if exists;

    drop table Node_fields if exists;

    drop table Node_Media if exists;

    drop table Node_Nodes if exists;

    drop table Nodes if exists;

    drop table Nodes_Node if exists;

    drop table Organization_contributors if exists;

    drop table Place_Region if exists;

    drop table Price if exists;

    drop table Price_emails if exists;

    drop table Price_links if exists;

    drop table Price_numbers if exists;

    drop table Region_City if exists;

    drop table Source if exists;

    drop table Source_features if exists;

    drop table Source_types if exists;
