DBMS > AllegroGraph vs. Datomic vs. Drizzle vs. Memgraph
System Properties Comparison AllegroGraph vs. Datomic vs. Drizzle vs. Memgraph
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|Editorial information provided by DB-Engines|
|Name||AllegroGraph Xexclude from comparison||Datomic Xexclude from comparison||Drizzle Xexclude from comparison||Memgraph Xexclude from comparison|
|Drizzle has published its last release in September 2012. The open-source project is discontinued and Drizzle is excluded from the DB-Engines ranking.|
|Description||High performance, persistent RDF store with additional support for Graph DBMS||Datomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durability||MySQL fork with a pluggable micro-kernel and with an emphasis of performance over compatibility.||An open source graph database built for real-time streaming and compatible with Neo4j|
|Primary database model||Document store with version 6.5|
|Relational DBMS||Relational DBMS||Graph DBMS|
|Secondary database models||Spatial DBMS|
|Social network pages|
|Developer||Franz Inc.||Cognitect||Drizzle project, originally started by Brian Aker||Memgraph Ltd|
|Current release||7.3.1, December 2022||1.0.6735, June 2023||7.2.4, September 2012|
|License Commercial or Open Source||commercial Limited community edition free||commercial limited edition free||Open Source GNU GPL||commercial Free license available|
|Cloud-based only Only available as a cloud service||no||no||no||no|
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|Implementation language||Java, Clojure||C++||C and C++|
|Server operating systems||Linux|
|All OS with a Java VM||FreeBSD|
|Data scheme||yes RDF schemas||yes||yes||schema-free and schema-optional|
|Typing predefined data types such as float or date||yes||yes||yes||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 bulk load of XML files possible||no||no|
|SQL Support of SQL||SPARQL is used as query language||no||yes with proprietary extensions||no|
|APIs and other access methods||RESTful HTTP API|
|RESTful HTTP API||JDBC||Bolt protocol|
Cypher query language
|Supported programming languages||C#|
|Triggers||yes||By using transaction functions||no hooks for callbacks inside the server can be used.|
|Partitioning methods Methods for storing different data on different nodes||with Federation||none But extensive use of caching in the application peers||Sharding||Sharding dynamic graph partitioning|
|Replication methods Methods for redundantly storing data on multiple nodes||Multi-source replication|
|none But extensive use of caching in the application peers||Multi-source replication|
|Multi-source replication using RAFT|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency or Eventual Consistency depending on configuration||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||no||yes||yes relationships in graphs|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||ACID||ACID with snapshot isolation|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes||yes, multi-version concurrency control (MVCC)|
|Durability Support for making data persistent||yes||yes using external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)||yes||yes with periodic snapshot and write-ahead logging (WAL) of changes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||yes recommended only for testing and development||yes|
|User concepts Access control||Users with fine-grained authorization concept, user roles and pluggable authentication||no||Pluggable authentication mechanisms e.g. LDAP, HTTP||Users, roles and permissions|
|More information provided by the system vendor|
|Specific characteristics||Knowledge Graph Platform Leader FedShard - Designed for Entity-Event Knowledge Graph...|
|Memgraph directly connects to your streaming infrastructure so you and your team...|
|Competitive advantages||AllegroGraph is uniquely suited to support adhoc queries through SPARQL, Prolog and...|
|Business Source License ensures a future for the Memgraph community MAGE algorithm...|
|Typical application scenarios||Graph algorithms in bioinformatics Social network analysis Cryptocurrency network...|
|Licensing and pricing models||You can check out our pricing model and licenses on the company website .|
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