What are some common challenges MS SQL Developers face when working on large-scale databases?

MS SQL Developers often encounter challenges such as optimizing complex queries for performance, ensuring data integrity during high-volume transactions, and managing schema changes without disrupting existing applications. Collaborating closely with DBAs, application developers, and QA testers is essential to address these issues effectively. Staying updated on new SQL Server features and best practices also helps in overcoming scalability and security concerns in large environments.