Today, the trend is convergence. Cloud providers (AWS, Azure, Google Cloud) offer managed database services like Aurora, DynamoDB, and BigQuery. Modern databases are often multi-model , supporting relational, document, graph, and key-value within a single engine. The focus is on serverless, auto-scaling, and separating compute from storage.
If you are looking for an "interesting report" related to databases, the most significant ones are the high-level self-assessment reports database
: The logic that connects tables (e.g., linking a customer's ID to their specific orders). The 7 Phases of Design Today, the trend is convergence