Cypher Query Language - Query language

Cypher Query Language is a query language created in 2011.

#726on PLDB

13Years Old

Cypher is a declarative graph query language that allows for expressive and efficient querying and updating of a property graph. Cypher is a relatively simple but still very powerful language. Very complicated database queries can easily be expressed through Cypher. Read more on Wikipedia...

Tags: queryLanguage
Early development of Cypher Query Language happened in Neo4j
CodeMirror package for syntax highlighting Cypher Query Language
Monaco package for syntax highlighting Cypher Query Language
Pygments supports syntax highlighting for Cypher Query Language
See also: (2 related languages) SQL, SPARQL

Example from Wikipedia:

MATCH (start:Content)-[:RELATED_CONTENT]->(content:Content)
WHERE content.source = 'user'
OPTIONAL MATCH (content)-[r]-()
DELETE r, content

Cypher Query Language Keywords

ALL AND AS ASC ASCENDING BY CALL CASE CONTAINS CREATE DELETE DESC DESCENDING DETACH DISTINCT ELSE END ENDS EXISTS IN IS LIMIT MANDATORY MATCH MERGE NOT ON ON OPTIONAL OR ORDER REMOVE RETURN SET SKIP STARTS THEN UNION UNWIND WHEN WHERE WITH XOR YIELD

Language features

Feature	Supported	Example	Token
Comments	✓	// A comment
MultiLine Comments	✓	/* A comment */	/* */
Line Comments	✓	// A comment	//