A New Era for Graph Queries: ISO/IEC 39075 GQL
summary
ISO/IEC 39075 is a 630 page standard that defines GQL a complete graph database language built on SQL ideas and inspired by Cypher and used to reduce vendor fragmentation It specifies a global object catalog for named graphs a richer type system including IEEE754 floats and ISO 8601 temporals and a full DDL DML DQL surface It adds advanced pattern features like nested quantification and choice operators supports shortest K groups path queries and defines session transaction semantics and conformance tiers for vendor implementations
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chapters (8)
- 0:00Introduction to GQL
- 3:37GQL goals and core concepts
- 6:17Sessions and transactions
- 10:51Graph model and catalog
- 14:05Queries and pattern matching
- 22:40Updates and aggregation
- 23:50Query composition
- 25:40Conformance and future outlook
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