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oracle installation problems

May 14, 2023 pm 01:30 PM

With the continuous improvement of enterprise informatization, the importance of data management systems is also increasing. In the informatization construction, the database system is undoubtedly one of the core and infrastructure of the enterprise, and the oracle database system, as one of the most mature, safest and most reliable data management systems at present, is adopted by more and more enterprises. However, you will also encounter some problems when installing Oracle. This article will introduce some common Oracle installation problems and their solutions to help you complete the Oracle installation more smoothly.

1. Unable to install oracle

When installing oracle, many people will encounter this problem: everything is ready, double-click the installation program, but they cannot continue. There may be many reasons for this situation, but the more common ones are as follows:

  1. Insufficient access rights: using an account without administrator rights or not running the installation file as an administrator , which will result in failure to install.

Solution: Run the installer as an administrator, or use an account with administrator rights to install.

  1. Firewall interception: Sometimes network security policies cause the firewall to intercept the Oracle installation program.

Solution: Set exception rules or turn off the firewall.

  1. The system version is incompatible: It may be because the installation program does not support the current operating system.

Solution: Download the oracle installation program suitable for the current operating system.

2. Configuration file exception

During the oracle installation process, the database needs to be configured, so the configuration file is also a critical part of the installation process. Therefore, when installing Oracle, special attention should be paid to abnormal configuration files. The following are some common configuration file exceptions:

  1. The tnsnames.ora file cannot be found: It may be because the file is not configured correctly, or the file is deleted or moved.

Solution: Check whether the file exists and is configured correctly.

  1. listener.ora file cannot be found: the reason is similar to the tnsnames.ora file.

Solution: Check whether the file exists and is configured correctly.

  1. sqlnet.ora file cannot be found: It may be because the file was not created, or the file was deleted or moved.

Solution: Create the sqlnet.ora file and make sure the file path is correct.

3. Database access exception

After the installation of the Oracle database is completed, it is also common to have access exception problems. The following are some common database access exception problems and their solutions:

  1. The database service cannot be started: It may be due to incorrect path or parameter configuration, or the port number is occupied.

Solution: Check related configuration items, start related services, check whether the port number is occupied, allow services to be accessed through the firewall, etc.

  1. Unable to access the database remotely: This may be due to database configuration issues or network reasons.

Solution: Check whether the network connection is normal, check the configuration items of the relevant database, and add relevant settings.

4. Summary

It is normal for problems to occur during the installation process of Oracle. The above listed are just some common problems. If you encounter other problems, you need to carefully analyze the reasons. In short, when installing Oracle, you must carefully read the relevant documents and carefully check whether the relevant configurations are correct. You must also learn certain database knowledge in order to better complete the Oracle installation.

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