Oracle Cloud Infrastructure 2019 Architect Associate — Question 22

Which statement is true in regards to database links?

Answer options

• A. You can call PL/SQL procedures and functions using a database link.
• B. Connect from Autonomous Database to remote database using a database link.
• C. Connect to Autonomous Database from remote database using a database link.
• D. Create a database link from one Autonomous Database to another Autonomous Database instance.

Correct answer: D

Explanation

The correct answer is D because database links can indeed be established between Autonomous Database instances. Answer A is incorrect as PL/SQL procedures and functions cannot be called over a database link directly. Options B and C are misleading as they do not accurately describe the functionality of database links in this context.