text: 
  drop table IF EXISTS customer;
  GO
  
  drop table IF EXISTS seller;
  GO
  
  DROP PROCEDURE IF EXISTS testSP1;
  GO
  
  DROP PROCEDURE IF EXISTS testSP2;
  GO
  
  DROP PROCEDURE IF EXISTS testSP3;
  GO
  
  drop table IF EXISTS customerkind;
  GO
  
  drop table IF EXISTS sellerkind;
  GO
  