db1=# create extension postgres_fdw ; CREATE EXTENSION 2)创建服务 db1=# CREATE SERVER IF NOT EXISTS foreigin_server_for_db2 FOREIGN DATA wrapper postgres_fdw OPTIONS (host'localhost', port'5432', dbname'db2'); CREATE SERVE 3) 创建用户映射 db1=# CREATE USER MAPPING FOR postgres server fo...
createusermappingforuser01(pg中的用户名) server oracledb OPTIONS (user'oracle1'(oracle用户名),password'oracle'(oracle用户名对应的密码)); postgres=#createusermappingforuser01 server oracledb OPTIONS (user'oracle1',password'oracle');CREATEUSERMAPPING 6.创建表映射 createforeigntablefdw01_ora(idint,...
CREATE USER MAPPING FOR pg_fdw1 SERVER pgdb OPTIONS (user 'scott', password 'tiger'); user:远程数据库用户 password:用户密码 6、创建FDW表(以pg_fdw1用户创建) GRANT USAGE ON FOREIGN SERVER pgdb TO scott_pg; 6、创建FDW表(以pg_fdw1用户创建) CREATE FOREIGN TABLE emp_fdw ( EMPNO int , EN...
postgres=> CREATE SERVER mysql_svr FOREIGN DATA WRAPPER mysql_fdw OPTIONS (host '171.16.10.13',port '3306',instanceid 'cdb-l1d95grp',uin '100026380431'); CREATE SERVER 步骤三:创建外部用户映射 postgres=> CREATE USER MAPPING FOR PUBLIC SERVER mysql_svr OPTIONS (username 'fdw_user',password '...
CREATE USER MAPPING FOR pg_fdw1 SERVER pgdb OPTIONS (user 'scott', password 'tiger'); user:远程数据库用户 password:用户密码 6、创建FDW表(以pg_fdw1用户创建) GRANT USAGE ON FOREIGN SERVER pgdb TO scott_pg; 6、创建FDW表(以pg_fdw1用户创建) ...
user mapping 创建完毕。 然后创建 foreign table,首先在这里要有个基表,访问 userinfo 表,往里面插入测试记录,假设这里插入10万条记录,再创建一个外部表,表名叫 ft_userinfo,列是<id int primary key,info text,crt_time timestamp>,再指定一个sever pg39,就是上面创建好的server;列名和顺序要匹配,options 只...
CREATE USER MAPPING,PolarDB:このトピックでは、CREATE user mappingを使用して、ユーザーから外部サーバーへの新しいマッピングを定義する方法について説明します。 CREATE USER MAPPING [存在しない場合] FOR { user_name | USER | CURRENT_USER | PUBLIC } SERVER serve
CREATE EXTENSION oracle_fdw; CREATE SERVER oradb FOREIGN DATA WRAPPER oracle_fdw OPTIONS (dbserver 'oratest'); GRANT USAGE ON FOREIGN SERVER oradb TO scott; 建用户映射(在scott用户下): CREATE USER MAPPING FOR scott SERVER oradb OPTIONS (user 'SCOTT', password 'tiger'); 建外部表 CREATE FOREIG...
CREATE USER MAPPING FOR pg_fdw1 SERVER pgdb OPTIONS (user 'scott', password 'tiger'); user:远程数据库用户 password:用户密码 6、创建FDW表(以pg_fdw1用户创建) GRANT USAGE ON FOREIGN SERVER pgdb TO scott_pg; 6、创建FDW表(以pg_fdw1用户创建) ...
步骤一:创建插件 test=create extension postgres_fdw; CREATE EXTENSION 步骤二:创建 Foreign Server CREATE SERVER foreign_server FOREIGN DATA WRAPPER postgres_fdw OPTIONS (host '127.0.0.1', port '8001', dbname 'postgres'); 步骤三:创建 User Mapping CREATE USER MAPPING FOR gpadmin SERVER foreign_serve...