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Asked: 2024-09-26T15:41:50+05:30 In:

how to add tnsnames.ora in sql developer

Subject: Trouble Adding tnsnames.ora in SQL Developer

Hi everyone,

I’m facing a bit of a challenge with Oracle SQL Developer, and I’m hoping someone can point me in the right direction. I’m trying to connect to Oracle databases, but I’ve been instructed to use the tnsnames.ora file for the database connections. However, I’m not sure how to properly add this file to SQL Developer.

I’ve located the tnsnames.ora file on my machine, but when I go into SQL Developer, I find no apparent option for importing or linking this file directly. I’ve tried to manually add a new connection, but without the tnsnames entries showing up, I’m not sure how to proceed.

I’ve checked the documentation and some online forums, but I still feel stuck. Is there a specific folder where SQL Developer looks for the tnsnames.ora file? Do I need to configure any settings within SQL Developer to recognize it? Any detailed steps to guide me through this process would be greatly appreciated. Thanks in advance for your help!

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    2 Answers


    1. To add a tnsnames.ora file in SQL Developer, you first need to navigate to the preferences. Open SQL Developer, then go to the “Tools” menu and select “Preferences”. In the Preferences window, expand the “Database” section and click on “Advanced”. Here, you will find an option labeled “Use Oracle TNS Names”. Ensure this option is checked. Next, you will need to designate the location of your tnsnames.ora file; this is typically found in the Oracle client installation directory or might be a custom path depending on your environment. You can specify the path by clicking on the “Browse” button next to the “TNS Names Directory” field and selecting the appropriate directory.

      Once you’ve set the correct path, click “OK” to apply the changes. To verify that the tnsnames.ora file has been integrated successfully, open the “Connections” pane in SQL Developer. You should now see the TNS entries listed, which correspond to the entries defined in your tnsnames.ora file. This will allow you to quickly establish connections to your Oracle databases using their TNS names, streamlining your workflow and enhancing productivity as you leverage your extensive programming experience.

    2. How to Add tnsnames.ora in SQL Developer

      Okay, so you want to connect to your database using SQL Developer, and you heard about this fancy file called tnsnames.ora. Here’s what you need to do:

      Step 1: Locate Your tnsnames.ora File

      First, you need to find this tnsnames.ora thing. It usually lives in the ORACLE_HOME/network/admin directory. If you can’t find it, you might need to ask someone or look online for where your Oracle stuff is installed.

      Step 2: Open SQL Developer

      Fire up SQL Developer. This is the tool you’ll use to connect to your database. You’ll see a big window with lots of options.

      Step 3: Access Preferences

      In SQL Developer, go to the menu and find Tools > Preferences. Click on that.

      Step 4: Add the tnsnames.ora Location

      Once you’re in Preferences, look for the Database section on the left side and click on Advanced. Here, you should see an option for Use Oracle Client. Make sure that is checked.

      Then, you’ll see a box for TNS Admin. This is where you need to point SQL Developer to your tnsnames.ora file. Just enter the path where the file is located. For example, something like C:\oracle\product\12.1.0\dbhome_1\network\admin.

      Step 5: Test It Out

      After you’ve done that, click OK to save your changes. Now, go back to the main screen and try to create a new connection. You should see the names you defined in tnsnames.ora in the list!

      Wrapping Up

      And that’s it! You’ve added your tnsnames.ora to SQL Developer like a pro (or at least like a rookie who got it to work). If it doesn’t work right away, double-check your paths and settings. Good luck!

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