# Advanced

- [Data Ingestion Overview](/release-0.12.0/developers/advanced/data-ingestion.md)
- [Ingestion Aggregations](/release-0.12.0/developers/advanced/ingestion-level-aggregations.md)
- [Ingestion Transformations](/release-0.12.0/developers/advanced/ingestion-level-transformations.md)
- [Null Value Support](/release-0.12.0/developers/advanced/null-value-support.md)
- [Multi-Stage Query Engine](/release-0.12.0/developers/advanced/v2-multi-stage-query-engine.md)
- [Advanced Pinot Setup](/release-0.12.0/developers/advanced/advanced-pinot-setup.md)