As an Oracle DBA, you must know what Metalink is.
Metalink is the official technical support site for Oracle, its url: http://metalink.oracle.com.
Oracle uses this website to support customers around the world. According to statistics from Oracle, it is said that 80% of technical problems are solved through Metalink.
Metalink registration is not free. After purchasing Oracle software, you can request from Oracle Based on licenseCSI (customer support identifier)You can log on to the Metalink site to register the account.
NOTE: If your supplier does not provide you with the CSI number or you cannot register yourself, your purchase may be faulty.
You can register on Metalink within the service periodTar (technical maintenance ance requests)Oracle will designate engineers to handle your problem. Engineers will immediately contact you to solve the problem at the highest level of case.
Of course, after the service expires, you will no longer be able to report tar, but you can continue to use the Metalink search function to benefit from the huge Metalink resource pool.
Every Oracle DBA should learn to use the Metalink Resource Repository.
And every DBA should learn,Try to find the answer.
As a DBA, I also want to remind you that you must be careful when managing databases.
One sentence on Metalink can be used as a reference:
Don't believe a customer when they say they didn't do it. Get evidence.
Oracle says we should not trust users, so we should learn to be trustworthy, rigorous, and earnest.Learn to be responsible for data and Behavior.
You can also find the corresponding instructions on the official site of Oracle. refer to the following link:
Oracle Metalink-your self-service portal
Data Sheet: Oracle Metalink (PDF)
Internet seminars: Oracle Metalink