drop tablespace qdas_default
    INCLUDING CONTENTS 
        CASCADE CONSTRAINTS; 
drop tablespace qwert_table
    INCLUDING CONTENTS 
        CASCADE CONSTRAINTS; 
drop tablespace qmerk_table
    INCLUDING CONTENTS 
        CASCADE CONSTRAINTS; 
drop tablespace qwert_index
    INCLUDING CONTENTS 
        CASCADE CONSTRAINTS; 
drop tablespace qmerk_index
    INCLUDING CONTENTS 
        CASCADE CONSTRAINTS;