Parse RDF file and save to Redshift

Want to parse RDF file and save to Redshift? Want to schedule and automate this importing task?

To import Xml format RDF file (.rdf, .owl) to Redshift, https://www.withdata.com/blog/rdftoredshift/redshift-import-rdf.html

To import RDF Turtle file (.ttl, .n3) to Redshift, https://www.withdata.com/blog/rdftoredshift/ttl-to-redshift.html

To import RDF N-Triples file (.nt, .ntriples) to Redshift, https://www.withdata.com/blog/rdftoredshift/n-triples-to-redshift.html

To import RDF N-Quads file (.nq, .nquads) to Redshift, https://www.withdata.com/blog/rdftoredshift/n-quads-to-redshift.html

RDF → Redshift reference

Type mapping

Value kindin RDFin Redshift
Int"1234"^^xsd:intinteger
Bigint"9007199254740993"^^xsd:longbigint
Decimal"1234.56"^^xsd:decimalnumeric(p,s)
Float"1.234e10"^^xsd:doubledouble precision
Textplain literal without a datatypevarchar(n)
Long textplain literal; newlines allowed insidevarchar(max)
Date"2026-09-18"^^xsd:datedate
Datetime"2026-09-18T14:30:00Z"^^xsd:dateTimetimestamp
Binary"base64..."^^xsd:base64Binary(none)
Boolean"true"^^xsd:booleanboolean
JSONa literal, or reified as its own sub-graphsuper

Dialect differences

RDF is a file format and Redshift is a database server, so the target has to be told the types the file never carried – the rows below are where the two sides diverge.

Propertyin RDFin Redshift
port—5439
identifiersXML attribute quoting; entities for reserved characters"double quotes"
row limit—LIMIT n
datesxsd:dateTime typed literalstimestamp, date
long text—VARCHAR(MAX)
binaryxsd:base64Binary typed literals—
separatorXML elements (rdf:Description / rdf:resource)—
encodingDeclared in the XML declaration—
typingEvery value is a resource or a typed literal—
shapeGraph of triples; there are no rows or columnsTables of rows and columns
ceilingWhole document is usually parsed into memory—

Command line

SideCommand
RedshiftUNLOAD to S3
Redshift (load)COPY from S3

No counterpart

  • RDF values of kind Binary have nowhere to go in Redshift.

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