在root下执行
[root@iZn9sy1k9xw15fZ ~]# dropdb -h localhost -p 5432 -U postgres szry
报错
dropdb: error: database removal failed: ERROR: database "szry" is being accessed by other users
DETAIL: There is 1 other session using the database.
切换到psql命令,执行以下sql,其中
SELECT pg_terminate_backend(pg_stat_activity.pid) FROM pg_stat_activity WHERE datname='你的数据库名字' AND pid<>pg_backend_pid();
\q退出psql,在root再次执行删除数据库操作就可以了