Troubleshooting: Running SQL scripts
When you make database schema changes, you run SQL scripts.
Problem
When you make database schema changes, you run SQL scripts with the commands described in Making database schema changes. You might receive error messages while running the scripts.
Solution
If errors are encountered while running the scripts, error messages will be displayed in your database command window, which will help you decipher the problem. In addition, refer to your database vendor documentation for specific details on SQL script errors.