Worked on the hmcts/libragob-batch-jobs repository to enhance data cleanup processes by implementing foreign key safe table housekeeping. Addressed a critical bug by ensuring that deletions from the table_updates table only occurred when the associated update_request_id existed in update_requests and was older than five days, thereby maintaining referential integrity and reducing runtime errors during batch operations. Utilized SQL scripting and database management skills to align cleanup logic with established data governance rules. The targeted SQL changes improved batch reliability and maintainability, with clear commit traceability supporting ongoing development and operational stability in batch-processing workflows for the project.