DBMS > Blazegraph vs. Dgraph
System Properties Comparison Blazegraph vs. Dgraph
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|Editorial information provided by DB-Engines
|Blazegraph Xexclude from comparison
|Dgraph Xexclude from comparison
|Amazon has acquired Blazegraph's domain and (probably) product. It is said that Amazon Neptune is based on Blazegraph.
|High-performance graph database supporting Semantic Web (RDF/SPARQL) and Graph Database (tinkerpop3, blueprints, vertex-centric) APIs with scale-out and High Availability.
|Distributed and scalable native Graph DBMS
|Primary database model
|Dgraph Labs, Inc.
|2.1.5, March 2019
|License Commercial or Open Source
|Open Source extended commercial license available
|Open Source Apache 2.0
|Cloud-based only Only available as a cloud service
|DBaaS offerings (sponsored links) Database as a Service
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|Server operating systems
|Typing predefined data types such as float or date
|yes RDF literal types
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.
|SQL Support of SQL
|SPARQL is used as query language
|APIs and other access methods
RESTful HTTP API
|GraphQL query language
gRPC (using protocol buffers) API
|Supported programming languages
|Server-side scripts Stored procedures
|Partitioning methods Methods for storing different data on different nodes
|Replication methods Methods for redundantly storing data on multiple nodes
|Synchronous replication via Raft
|MapReduce Offers an API for user-defined Map/Reduce methods
|Consistency concepts Methods to ensure consistency in a distributed system
|Immediate Consistency or Eventual Consistency depending on configuration
|Foreign keys Referential integrity
|yes Relationships in Graphs
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data
|Concurrency Support for concurrent manipulation of data
|Durability Support for making data persistent
|User concepts Access control
|Security and Authentication via Web Application Container (Tomcat, Jetty)
|no Planned for future releases
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