how to create dblink between two different databases

Dblink detailed 1. Create the Dblink syntax: CREATE [public] DATABASE link link CONNECT to username identified by password USING ' ConnectString ' Description 1) Permissions: The account that created the database link must have the system

PostgreSQL uses dblink to implement cross-database query. postgresqldblink A recent SQL statement involves joint queries between tables in different databases. At the beginning, I learned how to write SQL statements, but failed to execute them. I

Dblink detailed1. Create the Dblink syntax:CREATE [public] DATABASE link linkCONNECT to username identified by passwordUSING ' ConnectString 'Description1) Permissions: The account that created the database link must have the system permissions of

As the complexity of the business continues to increase, the database is constantly segmented, in the distributed system often one or several databases do not meet our needs, so often need more than one at a time, and in peacetime need to use other

Postgres can not be directly accessed between different databases, such as database Test1 and test2, each database has a table of TableA; I am using the operating system Win8.1,postgres version 9.3.6; Access to Postgres using the PGADMINIII tool;

Hello, everyone, today I met a federated query of two tables between two databases in DB2I know there are dblink in Oracle, but I don't know what to do with the two database federated queries of DB2.I looked for something similar toFor example, two

Hello, everyone, today I met a federated query of two tables between two databases in DB2I know there are dblink in Oracle, but I don't know what to do with the two database federated queries of DB2.I looked for something similar toFor example, two

Operating Environment: the ip address of the Oracle database server is 192.168.196.76, which has two databases: center and branch. Generally, You need to synchronize table data from the center to branch. The center is Operating Environment: the ip

This period of time is responsible for the database management of a project development. The development database in this project is separated from the test database. Some system table data and basic data often need to be synchronized, to facilitate

This article describes how to use the sqlplus Copy command to transfer data between two databases. Dblink is not required, and two databases do not need to communicate directly. Of course, there must be a client segment that can be connected to both