这个数据库无论如何都关闭不了

db2 deactivate database testdb
SQL1495W  Deactivate database is successful, however, there is still a
connection to the database.
[db2inst1@db101sample ~]$ db2 drop db testdb
SQL1035N  The database is currently in use.  SQLSTATE=57019
[db2inst1@db101sample ~]$ db2 terminate
DB20000I  The TERMINATE command completed successfully.
[db2inst1@db101sample ~]$ db2 drop db testdb
SQL1035N  The database is currently in use.  SQLSTATE=57019