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DBMS > Datomic vs. Memgraph vs. Sequoiadb

System Properties Comparison Datomic vs. Memgraph vs. Sequoiadb

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Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonMemgraph  Xexclude from comparisonSequoiadb  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 scaleNewSQL database with distributed OLTP and SQL
Primary database modelRelational DBMSGraph DBMSDocument store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.19
Rank#109  Overall
#54  Relational DBMS
Score0.07
Rank#312  Overall
#30  Graph DBMS
Score0.26
Rank#244  Overall
#35  Document stores
#114  Relational DBMS
Websitewww.datomic.commemgraph.comwww.sequoiadb.com
Technical documentationdocs.datomic.comdocs.memgraph.comwww.sequoiadb.com/­en/­index.php?m=Files&a=index
DeveloperCognitectMemgraph LtdSequoiadb Ltd.
Initial release201220172013
Current release0.9.5951, July 2019
License infoCommercial or Open Sourcecommercial infolimited edition freecommercial infoFree license availableOpen Source infoServer: AGPL; Client: Apache V2
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ClojureC and C++C++
Server operating systemsAll OS with a Java VMLinuxLinux
Data schemeyesschema-free and schema-optionalschema-free
Typing infopredefined data types such as float or dateyesyesyes infooid, date, timestamp, binary, regex
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 indexesyesyes
SQL infoSupport of SQLnonoSQL-like query language
APIs and other access methodsRESTful HTTP APIBolt protocol
Cypher query language
proprietary protocol using JSON
Supported programming languagesClojure
Java
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
.Net
C++
Java
PHP
Python
Server-side scripts infoStored proceduresyes infoTransaction FunctionsJavaScript
TriggersBy using transaction functionsno
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersSharding infodynamic graph partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersMulti-Master replication using RAFTMaster-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyes inforelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infowith snapshot isolationDocument is locked during a transaction
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes
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 changesyes
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 developmentyesno
User concepts infoAccess controlnoUsers, roles and permissionssimple password-based access control
More information provided by the system vendor
DatomicMemgraphSequoiadb
Specific characteristicsSequoiaDB is a financial-level distributed database including three storage modes:...
» more
Competitive advantagesSequoiaDB provides a leading OLTP solution in the industry, and perfectly addresses...
» more
Typical application scenariosAs a financial-level distributed database management system, SequoiaDB supports distributed...
» more
Key customersChina Minsheng Bank ​ Bank of China Hengfeng Bank China GUANGFA Bank PICC China Mobile...
» more
Market metrics2017,2018 Gartner’s Database Report Listed More than 1000 enterprise customers and...
» more
Licensing and pricing modelsOpen source GPL/Commercial licensing for enterprise version and services
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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DatomicMemgraphSequoiadb
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