DBMS > Blazegraph vs. DolphinDB
System Properties Comparison Blazegraph vs. DolphinDB
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|Editorial information provided by DB-Engines|
|Name||Blazegraph Xexclude from comparison||DolphinDB Xexclude from comparison|
|Amazon has acquired Blazegraph's domain and (probably) product. It is said that Amazon Neptune is based on Blazegraph.|
|Description||High-performance graph database supporting Semantic Web (RDF/SPARQL) and Graph Database (tinkerpop3, blueprints, vertex-centric) APIs with scale-out and High Availability.||DolphinDB is a high performance Time Series DBMS. It is integrated with an easy-to-use fully featured programming language and a high-volume high-velocity streaming analytics system. It offers operational simplicity, scalability, fault tolerance, and concurrency.|
|Primary database model||Graph DBMS|
|Time Series DBMS|
|Secondary database models||Relational DBMS|
|Current release||2.1.5, March 2019||v2.00.4, January 2022|
|License Commercial or Open Source||Open Source extended commercial license available||commercial free community version available|
|Cloud-based only Only available as a cloud service||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||Linux|
|Typing predefined data types such as float or date||yes RDF literal types||yes|
|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.||no|
|SQL Support of SQL||SPARQL is used as query language||SQL-like query language|
|APIs and other access methods||Java API|
RESTful HTTP API
JSON over HTTP
MQTT (Message Queue Telemetry Transport)
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||yes||yes|
|Partitioning methods Methods for storing different data on different nodes||Sharding||horizontal partitioning|
|Replication methods Methods for redundantly storing data on multiple nodes||yes||yes|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||yes|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency or Eventual Consistency depending on configuration||Immediate Consistency|
|Foreign keys Referential integrity||yes Relationships in Graphs||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||yes|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes|
|User concepts Access control||Security and Authentication via Web Application Container (Tomcat, Jetty)||Administrators, Users, Groups|
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