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A good way around this is to create a view in SCHEMA_B that exposes the table you want to access through the database link. This will also give you good control over who is allowed to select from the database link, as you can control the access to the view. Do like this:
23 Φεβ 2023 · Once you have that setup, you log into the database (the local database -- the one you want to create the database link in to connect to the OTHER database) and issue the create database link command (see the sql reference manual for complete syntax). For example I can: scott@8i> create database link ora8idev 2 connect to scott 3 identified by ...
First, specify the name of the database link after the CREATE DATABASE LINK keywords. Second, provide the user and password of the remote database after the CONNECT TO and IDENTIFIED BY keywords. Finally, specify the service name of the remote database.
CREATE DATABASE LINK. Purpose. Use the CREATE DATABASE LINK statement to create a database link. A database link is a schema object in one database that enables you to access objects on another database. The other database need not be an Oracle Database system. However, to access non-Oracle systems you must use Oracle Heterogeneous Services.
21 Ιαν 2019 · MYSQL TO ORACLE DATABASE LINK CREATION USING HETEROGENEOUS SERVICES. A database link is a pointer that defines a one-way communication path from an Oracle Database server to another database server. The remote database can be same oracle or it can be non-oracle database. To access non-Oracle systems you must use Oracle Heterogeneous Services.
1 Οκτ 2021 · Heterogeneous connections allow us to query data from non-Oracle databases using SQL. In this blog post we will see How to create a database link from Oracle to MySQL via ODBC. Below are the high-level steps we will follow to set up dblink. 1. Setup MySql User in MySQL Cluster 2. Install MySQL ODBC Drivers in Oracle Server 3.
This document describes steps to create a database link between Oracle to MySQL (Heterogeneous Services) / Oracle Gateway, Regarding Oracle Documentation Gateways will integrate with any number of non-Oracle systems from an Oracle application.
