# Streaming SQL

- [Concepts](/docs-lenses/lenses-docs-5.0/developers/sql-processor/streaming-sql/concepts.md)
- [Set storage format](/docs-lenses/lenses-docs-5.0/developers/sql-processor/streaming-sql/set-storage-format.md)
- [Projections](/docs-lenses/lenses-docs-5.0/developers/sql-processor/streaming-sql/projections.md)
- [Joins](/docs-lenses/lenses-docs-5.0/developers/sql-processor/streaming-sql/joins.md)
- [Functions](/docs-lenses/lenses-docs-5.0/developers/sql-processor/streaming-sql/functions.md)
- [Custom functions](/docs-lenses/lenses-docs-5.0/developers/sql-processor/streaming-sql/functions/custom-functions.md)
- [User-defined aggregation functions](/docs-lenses/lenses-docs-5.0/developers/sql-processor/streaming-sql/functions/custom-functions/user-defined-aggregation-functions.md)
- [User Defined functions](/docs-lenses/lenses-docs-5.0/developers/sql-processor/streaming-sql/functions/custom-functions/user-defined-functions.md)
- [Aggregations](/docs-lenses/lenses-docs-5.0/developers/sql-processor/streaming-sql/aggregations.md)
- [Expressions](/docs-lenses/lenses-docs-5.0/developers/sql-processor/streaming-sql/expressions.md)
- [Nullability](/docs-lenses/lenses-docs-5.0/developers/sql-processor/streaming-sql/nullability.md)
- [Settings](/docs-lenses/lenses-docs-5.0/developers/sql-processor/streaming-sql/settings.md)