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DBMS > 4D vs. Datomic vs. EDB Postgres vs. Ehcache vs. NebulaGraph

System Properties Comparison 4D vs. Datomic vs. EDB Postgres vs. Ehcache vs. NebulaGraph

Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonDatomic  Xexclude from comparisonEDB Postgres  Xexclude from comparisonEhcache  Xexclude from comparisonNebulaGraph  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityThe EDB Postgres Platform is an enterprise-class data management platform based on the open source database PostgreSQL with flexible deployment options and Oracle compatibility features, complemented by tool kits for management, integration, and migration.A widely adopted Java cache with tiered storage optionsA distributed, linear scalable, high perfomant Graph DBMS
Primary database modelRelational DBMSRelational DBMSRelational DBMSKey-value storeGraph DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.37
Rank#110  Overall
#54  Relational DBMS
Score1.55
Rank#144  Overall
#67  Relational DBMS
Score1.86
Rank#131  Overall
#61  Relational DBMS
Score4.79
Rank#66  Overall
#8  Key-value stores
Score1.92
Rank#122  Overall
#11  Graph DBMS
Websitewww.4d.comwww.datomic.comwww.enterprisedb.comwww.ehcache.orggithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
Technical documentationdeveloper.4d.comdocs.datomic.comwww.enterprisedb.com/­docswww.ehcache.org/­documentationdocs.nebula-graph.io
Developer4D, IncCognitectEnterpriseDBTerracotta Inc, owned by Software AGVesoft Inc.
Initial release19842012200520092019
Current releasev20, April 20231.0.7180, July 202414, December 20213.10.0, March 2022
License infoCommercial or Open Sourcecommercialcommercial infolimited edition freecommercial infoBSD for PostgreSQL-componentsOpen Source infoApache Version 2; commercial licenses availableOpen Source infoApache Version 2.0 + Common Clause 1.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ClojureCJavaC++
Server operating systemsOS X
Windows
All OS with a Java VMLinux
Windows
All OS with a Java VMLinux
Data schemeyesyesyesschema-freeStrong typed schema
Typing infopredefined data types such as float or dateyesyesyesyesyes
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.yesnoyes infospecific XML-type available, but no XML query functionality.nono
Secondary indexesyesyesyesnoyes infoNebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.
SQL infoSupport of SQLyes infoclose to SQL 92noyes infostandard with numerous extensionsnoSQL-like query language
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
RESTful HTTP APIADO.NET
JDBC
native C library
ODBC
streaming API for large objects
JCacheBrowser interface
console (shell)
Cypher Query Language
GO Object Graph Mapper
Java Object Graph Mapper
NGBatis infoORM framework for NebulaGraph and Spring-Boot
Proprietary native API
Python Object Graph Mapper
Query language nGQL
Supported programming languages4D proprietary IDE
PHP
Clojure
Java
.Net
C
C++
Delphi
Java
Perl
PHP
Python
Tcl
Java.Net
C++
Go
Java
PHP
Python
Server-side scripts infoStored proceduresyesyes infoTransaction Functionsuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.nouser defined functions
TriggersyesBy using transaction functionsyesyes infoCache Event Listeners
Partitioning methods infoMethods for storing different data on different nodesnonenone infoBut extensive use of caching in the application peershorizontal partitioning infoby hash, list or rangeSharding infoby using Terracotta ServerSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationnone infoBut extensive use of caching in the application peersMulti-source replicationyes infoby using Terracotta ServerCausal Clustering using Raft protocol
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyTunable Consistency (Strong, Eventual, Weak)Immediate Consistency
Foreign keys infoReferential integrityyesnoyesnoyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDyes infosupports JTA and can work as an XA resourceACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyes infousing a tiered cache-storage approachyes infousing RocksDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes inforecommended only for testing and developmentnoyesyes
User concepts infoAccess controlUsers and groupsnofine grained access rights according to SQL-standardnoRole-based access control
More information provided by the system vendor
4D infoformer name: 4th DimensionDatomicEDB PostgresEhcacheNebulaGraph
Specific characteristicsNebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantagesNebulaGraph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersCompanies from a variety of industries have implemented NebulaGraph Database in production,...
» more
Market metricsAt our very early stage, NebulaGraph has already received over 10,000 stars on GitHub...
» more
Licensing and pricing modelsNebulaGraph is open source and free to use under Apache 2.0 license.
» more

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4D infoformer name: 4th DimensionDatomicEDB PostgresEhcacheNebulaGraph
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