# Advanced

- [Data Ingestion Overview](/release-1.4.0/for-developers/advanced/data-ingestion.md)
- [Ingestion Aggregations](/release-1.4.0/for-developers/advanced/ingestion-level-aggregations.md)
- [Ingestion Transformations](/release-1.4.0/for-developers/advanced/ingestion-level-transformations.md)
- [Null value support](/release-1.4.0/for-developers/advanced/null-value-support.md)
- [Use the multi-stage query engine (v2)](/release-1.4.0/for-developers/advanced/v2-multi-stage-query-engine.md): To query using distributed joins, window functions, and other multi-stage operators in real time, turn on the multi-stage query engine (v2).
- [Advanced Pinot Setup](/release-1.4.0/for-developers/advanced/advanced-pinot-setup.md)