Support Parse MYSQL DDL with 'COLLATE' option & fix class typo

[bomwo]

Hello,

This Pull Request addresses the following two issues: Fix Issue #265:

Problem Description: This resolves the bug reported in Issue #265. Solution: Identified the cause of the bug and corrected the relevant code. This ensures the affected functionality works as intended. Correct Class Name Typo:

Problem Description: A typo was found in a specific class name within the codebase. Solution: Corrected the typo to improve code readability and maintain consistency. I hope this contribution helps improve the quality of the project. I would appreciate it if you could review the changes.

Please let me know if there are any further adjustments or feedback needed.

Thank you.