Make sure you have the 64 bits Oracle Client installed

An error is prompted when using PL/SQL to connect to Oracle data

1. Check whether the installed Oracle is 32-bit or 64-bit

    1.1 Open the SQL plus terminal

    1.2 View the SQL plus in the process in the task manager as 32 bits

2. Check whether PL/SQL is 32-bit or 64-bit

    2.1 Since my installation package is still there, the name of the installation package is marked as 64-bit

3. Go to the official website to download 32 PL/SQL

    3.1 The address is https://www.allroundautomations.com/registered/plsqldev.html

4. Successful login

5. Find the registration code online

    product code： 4vkjwhfeh3ufnqnmpr9brvcuyujrx3n3le
    serial Number：226959
    password: xs374ca

6. Find the Chinese package on the Internet