17.6 Handling SQL Errors and Exceptions in Python
SQL errors and exceptions in Python are handled using the Python's standard exception handling mechanism, the try/except block. When an error occurs during the execution of an SQL query, the database module raises an exception. This exception contains information about the error, such as the type of error that occurred and the line number where the error occurred. By catching these exceptions, you can handle errors gracefully and prevent your application from crashing.
In addition, the try/except block can be used to perform additional tasks when an error occurs. For example, you can log the error to a file or database, notify the user of the error, or retry the operation that caused the error. By taking these additional steps, you can provide a better user experience and ensure that your application remains stable and reliable.
It is also worth noting that Python provides several built-in exception types that can be used to handle...