Modern database management system architecture, complex structure, servers, nodes, clusters, data warehouses, ETL tools, metadata repositories, relational databases, NoSQL databases, in-memory databases, cloud-based infrastructure, virtualization, scalability, high availability, load balancing, replication, caching, indexing, querying, data modeling, schema design, entity-relationship diagrams, database administrators, IT professionals, futuristic laboratories, neon lights, holographic projections, sleek metal surfaces, minimalist interiors, panoramic view, low-angle shot, dramatic lighting.