Setting Environment Variables

Issue Description

Error 6 initializing SQL*Plus SP2-0667: Message file sp1<lang>.msb not found SP2-0750: You may need to set ORACLE_HOME to your Oracle software directory.

Analysis

The error you're encountering suggests that the environment variables for ORACLE_HOME and potentially LD_LIBRARY_PATH are not set correctly. These environment variables are necessary for SQL*Plus to locate its required message files and libraries. Here’s how to set these variables:

Setting Environment Variables

1. Locate the Oracle Installation Directory:

   1. Typically, this directory is the root directory where Oracle software is installed. For example: /opt/oracle/product/19c/dbhome_1.

2. Set the ORACLE_HOME Environment Variable:

   1. Open your profile file (.bashrc, .bash_profile, .zshrc, etc.) in a text editor. For example:

      sh

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   2. Add the following lines at the end of the file:

      sh

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      export ORACLE_HOME=/opt/oracle/product/19c/dbhome_1 export PATH=$ORACLE_HOME/bin:$PATH esxport LD_LIBRARY_PATH=$ORACLE_HOME/lib:$LD_LIBRARY_PATH

   3. Save the file and exit the text editor.

3. Apply the changes.

   1. Apply the changes by sourcing the profile file:

      sh

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      source ~/.

      Verifying the Environment Variables

      1. Check ORACLE_HOME

         1. Verify that the ORACLE_HOME variable is set correctly:

            sh

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            echo $ORACLE_HOME

         2. It should output the path to your Oracle home directory. Example: /opt/oracle/product/19c/dbhome_1

      2. Check PATH:

         1. Verify that the PATH variable includes the Oracle bin directory:

            sh

            echo $ORACLE_HOME

         2. Ensure that the Oracle bin directory (e.g., /opt/oracle/product/19c/dbhome_1/bin) is listed in the output.

      3. Check LD_LIBRARY_PATH:

         1. Verify that the LD_LIBRARY_PATH variable includes the Oracle lib directory:

            sh

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            echo $LD_LIBRARY_PATH

         2. Ensure that the Oracle lib directory (e.g., /opt/oracle/product/19c/dbhome_1/lib) is listed in the output.

            Example

            Here’s a concrete example assuming Oracle is installed in /opt/oracle/product/19c/dbhome_1:

            1. Open your profile file:

               sh

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               nano ~/.bashrc

            2. Add the following lines:

               sh

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               export ORACLE_HOME=/opt/oracle/product/19c/dbhome_1 export PATH=$ORACLE_HOME/bin:$PATH export LD_LIBRARY_PATH=$ORACLE_HOME/lib:$LD_LIBRARY_PATH

            3. Save and exit the text editor.

            4. Apply the changes:

               sh

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               source ~/.bashrc

            5. Verify the environment variables:

               sh

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               echo $ORACLE_HOME echo $PATH echo $LD_LIBRARY_PATH

            6. Try running SQL*Plus again:

               sh

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               sqlplus