CREATE TABLE project (pname TEXT, pnumber DECIMAL, plocation TEXT, dnum DECIMAL)
CREATE TABLE works_on (essn DECIMAL, pno DECIMAL, hours DECIMAL)
CREATE TABLE dept_locations (dnumber DECIMAL, dlocation TEXT)
CREATE TABLE dependent (essn DECIMAL, dependent_name TEXT, sex TEXT, bdate TEXT, relationship TEXT)
CREATE TABLE employee (fname TEXT, minit TEXT, lname TEXT, ssn DECIMAL, bdate TEXT, address TEXT, sex TEXT, salary DECIMAL, super_ssn DECIMAL, dno DECIMAL)
CREATE TABLE department (dname TEXT, dnumber DECIMAL, mgr_ssn DECIMAL, mgr_start_date TEXT)

List all department names ordered by their starting date.
SELECT dname FROM department ORDER BY mgr_start_date
SELECT "dname" FROM "department" ORDER BY "mgr_start_date" NULLS FIRST