DB-EnginesExtremeDB: the mission critical dbmsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Datomic vs. RocksDB vs. SingleStore

System Properties Comparison Datomic vs. RocksDB vs. SingleStore

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameDatomic  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 durabilityEmbeddable 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 with patented universal storage to handle transactional and analytical workloads in one single table type
Primary database modelRelational DBMSKey-value storeRelational DBMS
Secondary database modelsDocument store
Spatial DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.14
Rank#132  Overall
#67  Relational DBMS
Score4.43
Rank#88  Overall
#14  Key-value stores
Score7.53
Rank#56  Overall
#33  Relational DBMS
Websitewww.datomic.comrocksdb.orgwww.singlestore.com
Technical documentationdocs.datomic.comgithub.com/­facebook/­rocksdb/­wikidocs.singlestore.com
DeveloperCognitectFacebook, Inc.SingleStore Inc.
Initial release201220132013
Current release1.0.6362, January 20227.3.1, June 20227.6, November 2021
License infoCommercial or Open Sourcecommercial infolimited edition freeOpen Source infoBSDcommercial infofree developer edition available
Cloud-based only infoOnly available as a cloud servicenonono
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, modern cloud database for both operational (OLTP) and analytical (OLAP) workloads. Available instantly with multi-cloud and hybrid-cloud capabilities
Implementation languageJava, ClojureC++C++, Go
Server operating systemsAll OS with a Java VMLinuxLinux info64 bit version required
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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.nonono
Secondary indexesyesnoyes
SQL infoSupport of SQLnonoyes infobut no triggers and foreign keys
APIs and other access methodsRESTful HTTP APIC++ API
Java API
Cluster Management API infoas HTTP Rest and CLI
HTTP API
JDBC
ODBC
Supported programming languagesClojure
Java
C
C++
Go
Java
Perl
Python
Ruby
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 peersnoneSharding infohash partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersnoneSource-replica replication infostores two copies of each physical data partition on two separate nodes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono infocan define user-defined aggregate functions for map-reduce-style calculations
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyesACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyes infoAll updates are persistent, including those to disk-based columnstores and memory-based row stores. Transaction commits are supported via write-ahead log.
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 developmentyesyes
User concepts infoAccess controlnonoFine grained access control via users, groups and roles
More information provided by the system vendor
DatomicRocksDBSingleStore infoformer name was MemSQL
Specific characteristicsSingleStore offers a fully-managed , distributed, highly-scalable SQL database designed...
» more
Competitive advantagesSingleStore’s competitive advantages include: Easy and Simplified Architecture with...
» more
Typical application scenariosDriving Fast Analytics: SingleStore delivers the fastest and most scalable reporting...
» more
Key customersIEX Cloud : Improves Financial Data Distribution Speed 15x with Singlestore DB Comcast,...
» more
Market metricsCustomers in various industries worldwide including US and International Industry...
» more
Licensing and pricing modelsF 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
3rd partiesSpeedb: A high performance RocksDB-compliant key-value store optimized for write-intensive workloads.
» more

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

More resources
DatomicRocksDBSingleStore infoformer name was MemSQL
DB-Engines blog posts

Turbocharge Your Application Development Using WebAssembly With SingleStoreDB
17 October 2022,  Akmal Chaudhri, SingleStore (sponsor) 

Cloud-Based Analytics With SingleStoreDB
9 June 2022,  Akmal Chaudhri, SingleStore (sponsor) 

SingleStore: The Increasing Momentum of Multi-Model Database Systems
14 February 2022,  Akmal Chaudhri, SingleStore (sponsor) 

show all

Conferences and events

How Nucleus Security Drove 4X Throughput with Distributed SQL
Webinar, 09:00AM PST, 8 December 2022

Recent citations in the news

The Architecture of Datomic
2 November 2012, InfoQ.com

Low-resolution description of the conformational space for intrinsically disordered proteins | Scientific Reports
9 November 2022, Nature.com

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

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

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

provided by Google News

Pliops Unveils Accelerated Key-Value Store That Boosts RocksDB Performance by 20x at OCP Global Summit
18 October 2022, GlobeNewswire

Meta’s Velox Means Database Performance Is Not Subject To Interpretation
31 August 2022, The Next Platform

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

Swim Maintains a Steady State Amid Fast-Moving Data
8 August 2022, Datanami

provided by Google News

MotherDuck raises $47.5M for open source DuckDB database
15 November 2022, TechTarget

SingleStore raises $30M more to bring its database tech to new customers
4 October 2022, TechCrunch

Seattle data analytics startup MotherDuck emerges from stealth, reveals $47.5M in funding
15 November 2022, GeekWire

SingleStore raises additional cash to grow its database business
12 July 2022, TechCrunch

SingleStore Outshines Major Database Competitors in TCO Study
15 June 2022, businesswire.com

provided by Google News

Job opportunities

React Software Developer
Medical Database, Inc, Irvine, CA

Windows Developer - Software Engineer, Detections Platform (Remote)
CrowdStrike, Remote

VP - Java Application Development
Morgan Stanley, New York, NY

Engineer - Stores and Supply Chain (Full-Time Remote or Hybrid)
TARGET, Brooklyn Park, MN

C# Back End Engineers
Divisions Maintenance Group, Remote

Systems Software Engineer
Unusual Ventures, Remote

REMOTE - ADVISOR, DATABASE ADMINISTRATOR -TEXAS
MAGRABBIT, Austin, TX

Systems Engineer
SAS, Cary, NC

Systems Software Engineer
Unusual Ventures, Remote

Cloudera Hadoop Administrator - Core Technology Infrastructure
Bank of America, Charlotte, NC

Backend Engineer
Unusual Ventures, Remote

jobs by Indeed



Share this page

Featured Products

Redis logo

The world’s most loved real‑time data platform.
Try free

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 80GB free.

Neo4j logo

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

Present your product here