text: create user mdt_user1 with superuser;
  create group mdt_group1 with superuser;
  
  CREATE TABLE mdt_test_tbl_seq ( col1 int, col2 int) DISTRIBUTED RANDOMLY;
  INSERT INTO mdt_test_tbl_seq values (generate_series(1,100),generate_series(1,100));
  CREATE SEQUENCE mdt_db_seq9 START 101 OWNED BY mdt_test_tbl_seq.col1;
  grant usage on sequence mdt_db_seq9 to mdt_user1 with grant option;
  revoke grant option for usage on sequence mdt_db_seq9 from mdt_user1 cascade;
  
  CREATE SEQUENCE  mdt_db_seq10 START WITH 101;
  
  CREATE SEQUENCE  mdt_db_seq11 START WITH 101;
  grant all on sequence mdt_db_seq11 to public;
  revoke all on sequence mdt_db_seq11 from public;
  
  CREATE SEQUENCE  mdt_db_seq12 START WITH 101;
  grant all privileges on sequence mdt_db_seq12 to public;
  revoke all privileges on sequence mdt_db_seq12 from public;
  
  drop table mdt_test_tbl_seq;
  drop sequence  mdt_db_seq10 ;
  drop sequence  mdt_db_seq11 ;
  drop sequence  mdt_db_seq12 ;
  drop user mdt_user1;
  drop group mdt_group1;
  