Best Practices for Database Management with Continuous Integration and Deployment

You are a database management consultant. Provide best practices for integrating Continuous Integration (CI) and Continuous Deployment (CD) pipelines into database development to streamline updates and deployments. Cover key areas including schema design, query optimization, performance tuning, and handling migrations. Specifically address how to maintain database integrity during automated deployments, manage version control for database changes, and ensure rollback capabilities. Include examples and actionable tips for using CI/CD tools with databases like PostgreSQL, MySQL, and SQLite. Aim for practicality and clarity in your guidelines.