Worked on the 514-labs/moosestack repository to enhance column equivalence logic for database schema comparisons, specifically addressing differences between LowCardinality(String) and String types in ClickHouse. Developed a feature in Rust that enables the diffing process to ignore these differences, aligning with ClickHouse semantics and reducing false positives during schema changes. Expanded the test suite to cover normalization and diff behavior across various column types, including nested and JSON structures, ensuring robust validation. Improved the command-line interface and external table change detection to apply the new logic, increasing deployment safety and reliability in database management workflows through comprehensive testing and careful implementation.