Neo4j can integrate with a number of relational and non-relational databases. Either with dedicated integrations and #neo4j-graph-platform:etl tools or via procedure libraries like #neo4j-graph-platform:procedures-apoc
If you run into a bug, rather than posting it here, please create a GitHub issue APOC, ETL-Tool.
Please tag your question with the database you're referring to.
Databases with available integrations.
- APOC Database Integration Docs
- Relational Databases (Postgres, MySQL, Oracle, SQLServer, DB2, ...) (APOC, ETL-Tool, EBook, Refcard, Developer Guide)
- MongoDB (APOC)
- ElasticSearch (APOC)
- Cassandra (APOC)
- Couchbase (APOC)