CREATE TABLE companies (id NUMBER, name CLOB, headquarters CLOB, industry CLOB, sales_billion NUMBER, profits_billion NUMBER, assets_billion NUMBER, market_value_billion CLOB)
CREATE TABLE office_locations (building_id NUMBER, company_id NUMBER, move_in_year NUMBER)
CREATE TABLE buildings (id NUMBER, name CLOB, city CLOB, height NUMBER, stories NUMBER, status CLOB)

Which buildings do not have any company office? Give me the building names.
SELECT name FROM buildings WHERE NOT id IN (SELECT building_id FROM office_locations)
SELECT "name" FROM "buildings" WHERE NOT "id" IN (SELECT "building_id" FROM "office_locations")