### Substreams Sink Database Changes
Protobuf definitions for Substreams package to be compatible with Database Change v1 sinks such as [substreams-sink-postgres](https://substreams.streamingfast.io/developers-guide/sink-targets/substreams-sink-postgres), [substreams-sink-mongodb](https://substreams.streamingfast.io/developers-guide/sink-targets/substreams-sink-mongodb), [substreams-sink-clickhouse](https://substreams.streamingfast.io/developers-guide/sink-targets/substreams-sink-clickhouse) and more.
Useful links:
- Documentation: [https://substreams.streamingfast.io/](https://substreams.streamingfast.io/)
- Source: [https://github.com/streamingfast/substreams-sink-database-changes](https://github.com/streamingfast/substreams-sink-database-changes)