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DBMS > Datomic vs. GridGain vs. H2GIS vs. IBM Cloudant

System Properties Comparison Datomic vs. GridGain vs. H2GIS vs. IBM Cloudant

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Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonGridGain  Xexclude from comparisonH2GIS  Xexclude from comparisonIBM Cloudant  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityGridGain is an in-memory computing platform, built on Apache IgniteSpatial extension of H2Database as a Service offering based on Apache CouchDB
Primary database modelRelational DBMSKey-value store
Relational DBMS
Spatial DBMSDocument store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.66
Rank#144  Overall
#66  Relational DBMS
Score1.55
Rank#150  Overall
#26  Key-value stores
#70  Relational DBMS
Score0.08
Rank#368  Overall
#7  Spatial DBMS
Score2.75
Rank#104  Overall
#19  Document stores
Websitewww.datomic.comwww.gridgain.comwww.h2gis.orgwww.ibm.com/­products/­cloudant
Technical documentationdocs.datomic.comwww.gridgain.com/­docs/­index.htmlwww.h2gis.org/­docs/­homecloud.ibm.com/­docs/­Cloudant
DeveloperCognitectGridGain Systems, Inc.CNRSIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014
Initial release2012200720132010
Current release1.0.7075, December 2023GridGain 8.5.1
License infoCommercial or Open Sourcecommercial infolimited edition freecommercialOpen Source infoLGPL 3.0commercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ClojureJava, C++, .NetJavaErlang
Server operating systemsAll OS with a Java VMLinux
OS X
Solaris
Windows
hosted
Data schemeyesyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesno
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.noyesnono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLnoANSI-99 for query and DML statements, subset of DDLyesno
APIs and other access methodsRESTful HTTP APIHDFS API
Hibernate
JCache
JDBC
ODBC
Proprietary protocol
RESTful HTTP API
Spring Data
RESTful HTTP/JSON API
Supported programming languagesClojure
Java
C#
C++
Java
PHP
Python
Ruby
Scala
JavaC#
Java
JavaScript
Objective-C
PHP
Ruby
Server-side scripts infoStored proceduresyes infoTransaction Functionsyes (compute grid and cache interceptors can be used instead)yes infobased on H2View functions (Map-Reduce) in JavaScript
TriggersBy using transaction functionsyes (cache interceptors and events)yesyes
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersShardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersyes (replicated cache)yes infobased on H2Multi-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes (compute grid and hadoop accelerator)noyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDno infoatomic operations within a document possible
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yes infoOptimistic locking
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyesyes
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 developmentyesyesno
User concepts infoAccess controlnoSecurity Hooks for custom implementationsyes infobased on H2Access rights for users can be defined per database

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More resources
DatomicGridGainH2GISIBM Cloudant
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