DB-EnginesExtremeDB: the first and only COTS deterministic embedded database management system for mission- and safety-critical hard real-time applicationsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Datomic vs. Memgraph vs. RocksDB vs. SingleStore

System Properties Comparison Datomic vs. Memgraph vs. RocksDB vs. SingleStore

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonMemgraph  Xexclude from comparisonRocksDB  Xexclude from comparisonSingleStore infoformer name was MemSQL  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityA hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleEmbeddable persistent key-value store optimized for fast storage (flash and RAM)MySQL wire-compliant distributed RDBMS that combines an in-memory row-oriented and a disc-based column-oriented storage
Primary database modelRelational DBMSGraph DBMSKey-value storeRelational DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.82
Rank#127  Overall
#62  Relational DBMS
Score0.27
Rank#275  Overall
#23  Graph DBMS
Score3.82
Rank#87  Overall
#14  Key-value stores
Score5.74
Rank#64  Overall
#34  Relational DBMS
Websitewww.datomic.commemgraph.comrocksdb.orgwww.singlestore.com
Technical documentationdocs.datomic.comdocs.memgraph.comgithub.com/­facebook/­rocksdb/­wikidocs.singlestore.com
DeveloperCognitectMemgraph LtdFacebook, Inc.SingleStore Inc.
Initial release2012201720132013
Current release0.9.5951, July 20196.22.1, July 20217.3, December 2020
License infoCommercial or Open Sourcecommercial infolimited edition freecommercial infoFree license availableOpen Source infoBSDcommercial infofree developer edition available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
SingleStore Managed Service: The world's fastest, most capable cloud database for operational analytics, machine learning, & AI. Available instantly with multi-cloud and hybrid-cloud capabilities.
Implementation languageJava, ClojureC and C++C++C++
Server operating systemsAll OS with a Java VMLinuxLinux info64 bit version required
Data schemeyesschema-free and schema-optionalschema-freeyes
Typing infopredefined data types such as float or dateyesyesnoyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nononono
Secondary indexesyesnoyes
SQL infoSupport of SQLnononoyes, but no triggers and foreign keys
APIs and other access methodsRESTful HTTP APIBolt protocol
Cypher query language
C++ API
Java API
JDBC
ODBC
Supported programming languagesClojure
Java
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
C++
Java
Bash
C
C#
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresyes infoTransaction Functionsnoyes
TriggersBy using transaction functionsnono
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersSharding infodynamic graph partitioningnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersMulti-source replication using RAFTnoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency only within each node
Foreign keys infoReferential integritynoyes inforelationships in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infowith snapshot isolationyesACID infoOnly isolation level: READ COMMITED
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyes, multi-version concurrency control (MVCC)
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes infowith periodic snapshot and write-ahead logging (WAL) of changesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes inforecommended only for testing and developmentyesyesyes
User concepts infoAccess controlnoUsers, roles and permissionsnofine grained access rights according to SQL-standard
More information provided by the system vendor
DatomicMemgraphRocksDBSingleStore infoformer name was MemSQL
Specific characteristicsMemgraph directly connects to your streaming infrastructure so you and your team...
» more
SingleStore is The No Limits Database™, powering modern applications and analytical...
» more
Competitive advantagesBusiness Source License ensures a future for the Memgraph community MAGE algorithm...
» more
Performance - Shattering the Trillion-Rows-Per-Second Barrier Fast data ingest -...
» more
Typical application scenariosGraph algorithms in bioinformatics Social network analysis Cryptocurrency network...
» more
Real-Time Analytics Internet of Things Personalization and Recommendations Risk Management...
» more
Key customersComcast - Real-time Stream Processing Architecture DellEMC - Getting it Right Exactly...
» more
Market metricsCustomers in various industries worldwide -- US and International Industry Solutions:...
» more
Licensing and pricing modelsYou can check out our pricing model and licenses on the company website .
» more
F ree Tier and Enterprise Edition
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
DatomicMemgraphRocksDBSingleStore infoformer name was MemSQL
Recent citations in the news

Lucas Cavalcanti on Using Clojure, Microservices, Hexagonal Architecture and Public Cloud at Nubank
16 August 2021, InfoQ.com

Brazil's Nubank Acquires US Software Firm Cognitect
30 July 2020, Nearshore Americas

Nubank buys firm behind Clojure programming language
28 July 2020, Finextra

Homoiconicity: It Is What It Is
31 October 2017, InfoQ.com

provided by Google News

Graph database company Memgraph raises $9.34M
5 October 2021, VentureBeat

Memgraph Launches Streaming Graph Algorithms to the Masses; Announces $9.34MM Seed Funding Led by Microsoft's M12
5 October 2021, Business Wire

Memgraph Raises $9.34M in Seed Funding
11 October 2021, FinSMEs

Memgraph: Microsoft's M12 Fund Participated in Investment in Startup
8 October 2021, Total Croatia News

Graph Database – Global Market Trajectory & Analytics by IBM, Microsoft, Oracle, AWS – Puck77
23 October 2021, Puck77

provided by Google News

Did Rockset Just Solve Real-Time Analytics?
25 August 2021, Datanami

Toshiba Memory America Optimizes RocksDB for SSDs
5 August 2019, Business Wire

Facebook Open Sources MyRocks DB Engine And ZStandard Compression Algorithm
3 September 2016, Fossbytes

provided by Google News

Real-time database platform SingleStore raises $80M more, now at a $940M valuation
8 September 2021, TechCrunch

10 Cool Tech Companies That Raised Funding In September 2021
25 October 2021, CRN

SingleStore Announces World's Only Hybrid Multi-cloud, Unified Analytical and Transactional Database
23 June 2021, Business Wire

Airbyte aims to kill proprietary ETL data warehouse feed pipelines – Blocks and Files
12 October 2021, Blocks and Files

Storage news ticker – October 22 – Blocks and Files
22 October 2021, Blocks and Files

provided by Google News

Job opportunities

Full Stack Engineer
i3 Patterns Inc, Remote

Sr. Backend Engineer (Clojure, Datomic)
Railsbank, Chicago, IL

Sr. iOS Engineer
Client Resources, Inc., Lincoln, NE

Backend Engineer - .NET
Railsbank, Houston, TX

Data Platform Engineer
Analytical Flavor Systems, Inc, Remote

Search Engineer - Back End
Brave, California

Search Engineer - Back End
Brave Software Inc., Oregon

Software Engineer - Time
DataDog, New York, NY

Software Engineer
Intel, Hillsboro, OR

Software Engineer
DataDog, New York, NY

Database Administrator - 3939662
Accenture, Charlotte, NC

Software Engineer, University Graduate
SingleStore, Seattle, WA

Architect 2 - Senior Data Warehouse Engineer
Bank of America, Charlotte, NC

Senior Data Engineer, Big Data Repositories
Morgan Stanley, New York, NY

Senior Java Engineer
Amex, Phoenix, AZ

jobs by Indeed



Share this page

Featured Products

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 5 GB free..

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Vertica logo

Vertica Accelerator. The fastest analytics and machine learning, delivered as SaaS, with automated setup, administration, and management. Free trial.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Couchbase logo

The modern database for enterprise applications. Build fast. Scale Big. Save more.
Get started today.

Present your product here