[postgres@rhel73 ~]$ psql -d test -------->>>使用psql连接进入test数据库 psql (9.6.0) Type "help" for help. test=# \c -------->>>查看当前psql是用哪个user连接的哪个数据库 You are now connected to database "test" as user "postgres". test=# \q -------->>>退出psql [postgres@rhel73 ~]$ psql -d testa psql: FATAL: database "testa" does not exist [postgres@rhel73 ~]$原文链接:https://www.f2er.com/postgresql/194077.html