User:Reosarevok/Wikidata Example Queries

These are example queries for the Wikidata SPARQL endpoint

All composers who don't have a MusicBrainz ID stored

For "musicians" instead of "composers", change Q36834 to Q639669.

SELECT ?entityLabel ?entity {
	?entity wdt:P106 wd:Q36834 .
  	MINUS { ?entity wdt:P434 [] } .
	SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}

Composers born somewhere in Germany who don't have a MusicBrainz ID stored

SELECT ?entityLabel ?entity {
	?entity wdt:P106 wd:Q36834 .
  	?entity wdt:P19 ?place .
    ?place wdt:P17 wd:Q183 .
  	MINUS { ?entity wdt:P434 [] } .
	SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}