DROP TABLE commandes;
DROP TABLE hr;
DROP TABLE blfiles;
 DROP table usersroles CASCADE;
 drop table roles CASCADE;
 Drop table users CASCADE;
 DROP TABLE profiles CASCADE;
DROP TABLE product CASCADE;
DROP TABLE stocksymbols CASCADE;
DROP TABLE tag CASCADE;
DROP TABLE blog CASCADE;
DROP TABLE writtings CASCADE;
DROP TABLE tasks CASCADE;
DROP TABLE estimate CASCADE;
DROP TABLE histoestim CASCADE;
DROP TABLE histowritting CASCADE;
DROP TABLE projet CASCADE;
DROP TABLE tagged CASCADE;
DROP TABLE profiledata CASCADE;
DROP TABLE wrtags CASCADE;
DROP TABLE taskdeps CASCADE;
DROP TABLE wrfiles CASCADE;
DROP TABLE comment CASCADE;