SQL>
SQL>
SQL> create user demo_ddl identified by demo_ddl;
User created.
SQL>
SQL> grant connect, resource to demo_ddl with admin option;
Grant succeeded.
SQL>
SQL> grant create user to demo_ddl;
Grant succeeded.
SQL> grant drop user to demo_ddl;
Grant succeeded.
SQL>
SQL> --@connect demo_ddl/demo_ddl
SQL>
SQL> drop user demo_ddl cascade;
User dropped.
SQL>
SQL>
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