DBMS > Citus vs. OrientDB vs. Rockset
System Properties Comparison Citus vs. OrientDB vs. Rockset
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|Editorial information provided by DB-Engines|
|Name||Citus Xexclude from comparison||OrientDB Xexclude from comparison||Rockset Xexclude from comparison|
|Description||Scalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQL||Multi-model DBMS (Document, Graph, Key/Value)||A scalable, reliable search and analytics service in the cloud, built on RocksDB|
|Primary database model||Relational DBMS||Document store|
|Secondary database models||Document store||Relational DBMS|
|Developer||OrientDB LTD; CallidusCloud; SAP||Rockset|
|Current release||8.1, December 2018||3.2.17, March 2023|
|License Commercial or Open Source||Open Source AGPL, commercial license also available||Open Source Apache version 2||commercial|
|Cloud-based only Only available as a cloud service||no||no||yes|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||Linux||All OS with a Java JDK (>= JDK 6)||hosted|
|Data scheme||yes||schema-free Schema can be enforced for whole record ("schema-full") or for some fields only ("schema-hybrid")||schema-free|
|Typing predefined data types such as float or date||yes||yes||dynamic typing|
|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.||yes specific XML type available, but no XML query functionality||no||no ingestion from XML files supported|
|Secondary indexes||yes||yes||all fields are automatically indexed|
|SQL Support of SQL||yes standard, with numerous extensions||SQL-like query language, no joins||Read-only SQL queries, including JOINs|
|APIs and other access methods||ADO.NET|
native C library
streaming API for large objects
|Tinkerpop technology stack with Blueprints, Gremlin, Pipes|
RESTful HTTP/JSON API
|Supported programming languages||.Net|
|Partitioning methods Methods for storing different data on different nodes||Sharding||Sharding||Automatic sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||Source-replica replication other methods possible by using 3rd party extensions||Multi-source replication||yes|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no could be achieved with distributed queries||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Eventual Consistency|
|Foreign keys Referential integrity||yes||yes relationship in graphs||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||no|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no|
|User concepts Access control||fine grained access rights according to SQL-standard||Access rights for users and roles; record level security configurable||Access rights for users and organizations can be defined via Rockset console|
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