What are the main features missing from current BigData databases?

Several features are still evolving in current Big Data databases to meet the ever-growing demands of data management and analytics. Some of the main features that are still missing or underdeveloped include:

1. **Real-time analytics**: While some Big Data databases offer real-time processing capabilities, achieving true real-time analytics at scale remains a challenge. Enhancements are needed to support low-latency data ingestion, processing, and analytics in real-time or near-real-time.

2. **Unified data management**: Many organizations struggle with managing diverse data types (structured, semi-structured, unstructured) across different data sources efficiently. Improved solutions for unified data management, including data integration, data governance, and metadata management, are needed.

3. **Advanced analytics capabilities**: While basic analytics functions are available in many Big Data databases, advanced analytics capabilities such as machine learning, deep learning, and predictive analytics are still evolving. Integration of these advanced analytics features directly into Big Data platforms would enable organizations to derive deeper insights from their data.

4. **Security and privacy enhancements**: As data privacy regulations become more stringent, Big Data databases need better security features to protect sensitive data. This includes improved encryption, access controls, auditing, and compliance features to ensure data privacy and regulatory compliance.

5. **Scalability and performance optimizations**: While Big Data databases are designed to scale horizontally to handle large volumes of data, further optimizations are needed to improve scalability, performance, and resource utilization. This includes enhancements in distributed computing, query optimization, and resource management.

6. **Simplification and ease of use**: Many Big Data databases require specialized skills and expertise to set up, configure, and manage effectively. Simplifying the user experience, improving documentation, and providing better developer tools can help lower the barrier to entry for organizations looking to adopt Big Data technologies.

7. **Interoperability and compatibility**: Enhancements are needed to improve interoperability and compatibility between different Big Data platforms and ecosystems. This includes standardization of APIs, data formats, and integration points to enable seamless data exchange and interoperability between disparate systems.

Overall, ongoing research and development efforts are focused on addressing these challenges and advancing the capabilities of Big Data databases to meet the evolving needs of modern data-driven organizations.