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显然 dblink 可用于查询其他服务器 - 使用 DbLink 访问其他 PostreSQL 数据库和服务器
Apparently dblink can be used to query other servers - Using DbLink to access other PostreSQL Databases and Servers
这是旧的 - 如今人们会使用 postgres_fdw 模块来代替: https:/ /www.postgresql.org/docs/9.3/static/postgres-fdw.html
this is old - these days one would use the postgres_fdw module instead: https://www.postgresql.org/docs/9.3/static/postgres-fdw.html