Cosmos DB, Aws Rds, MySQL, Cloudformation, Terraform, PostgreSQL, Elk Stack, Query Optimization, Database Migration, Log Analysis, Kubernetes, Performance Tuning, GCP Cloud SQL, Firestore, Database scaling strategies, Database security roles, Observability tools, Root Cause Analysis, Backup Recovery strategies, Azure SQL Database, Troubleshooting, Access Control, Infrastructure as Code, auditing, Query Performance, Indexing, Aurora