删除数据库teledb_db_new

teledb=# drop database teledb_db_new;

仍有会话连接数据库时，会报错

ERROR:  database "teledb_db_new" is being accessed by other users
DETAIL:  There is 1 other session using the database.

停止该数据库的所有连接后重新删除数据库

teledb=# select pg_terminate_backend(pid) from pg_stat_activity where datname='teledb_db_new';
 pg_terminate_backend 
----------------------
 t
(1 row)
teledb=# drop database teledb_db_new;
DROP DATABASE