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Attaching to external databases

Kùzu supports attaching/detaching to the following types of external databases:

  • External Kùzu databases: You can attach to an external Kùzu database (possibly on a remote file system) and query that database in read-only mode via Cypher.
  • External RDBMSs | You can attach to several relational databases, such as Postgres, DuckDB, and SQLite, and scan their tables with the LOAD FROM statement. This can simplify copying data from these sources into Kùzu and can also provide a basic functionality to do joint querying of the RDBMS and your local Kùzu database (or an external Kùzu database you attached to).