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DBMS > Datomic vs. Ehcache vs. Immudb vs. OrientDB vs. SAP Advantage Database Server

System Properties Comparison Datomic vs. Ehcache vs. Immudb vs. OrientDB vs. SAP Advantage Database Server

Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonEhcache  Xexclude from comparisonImmudb  Xexclude from comparisonOrientDB  Xexclude from comparisonSAP Advantage Database Server infoformer name: Sybase ADS  Xexclude from comparison
SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityA widely adopted Java cache with tiered storage optionsAn open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.Multi-model DBMS (Document, Graph, Key/Value)Low-cost RDBMS with access to ISAM and FoxPro data structures
Primary database modelRelational DBMSKey-value storeKey-value storeDocument store
Graph DBMS
Key-value store
Relational DBMS
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
Score4.64
Rank#68  Overall
#8  Key-value stores
Score0.31
Rank#295  Overall
#42  Key-value stores
Score3.25
Rank#89  Overall
#16  Document stores
#6  Graph DBMS
#13  Key-value stores
Websitewww.datomic.comwww.ehcache.orggithub.com/­codenotary/­immudb
immudb.io
orientdb.orgwww.sap.com/products/advantage-database-server.html
Technical documentationdocs.datomic.comwww.ehcache.org/­documentationdocs.immudb.iowww.orientdb.com/­docs/­last/­index.html
DeveloperCognitectTerracotta Inc, owned by Software AGCodenotaryOrientDB LTD; CallidusCloud; SAPSybase, SAP
Initial release20122009202020101993
Current release1.0.6735, June 20233.10.0, March 20221.2.3, April 20223.2.29, March 2024
License infoCommercial or Open Sourcecommercial infolimited edition freeOpen Source infoApache Version 2; commercial licenses availableOpen Source infoApache Version 2.0Open Source infoApache version 2commercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ClojureJavaGoJava
Server operating systemsAll OS with a Java VMAll OS with a Java VMBSD
Linux
macOS
Solaris
Windows
z/OS
All OS with a Java JDK (>= JDK 6)Linux
Windows
Data schemeyesschema-freeschema-freeschema-free infoSchema can be enforced for whole record ("schema-full") or for some fields only ("schema-hybrid")yes
Typing infopredefined data types such as float or dateyesyesyesyes
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.nonononono
Secondary indexesyesnoyesyesyes
SQL infoSupport of SQLnonoSQL-like syntaxSQL-like query language, no joinsyes
APIs and other access methodsRESTful HTTP APIJCachegRPC protocol
PostgreSQL wire protocol
Tinkerpop technology stack with Blueprints, Gremlin, Pipes
Java API
RESTful HTTP/JSON API
.NET Client API
ADO.NET
JDBC
ODBC
OLE DB
Supported programming languagesClojure
Java
Java.Net
Go
Java
JavaScript (Node.js)
Python
.Net
C
C#
C++
Clojure
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Scala
Delphi
Perl
PHP
Server-side scripts infoStored proceduresyes infoTransaction FunctionsnonoJava, Javascriptyes
TriggersBy using transaction functionsyes infoCache Event ListenersnoHooksyes
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersSharding infoby using Terracotta ServerShardingShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersyes infoby using Terracotta ServerMulti-source replicationMulti-source replication infoCONFLICT Trigger to resolve replication conflicts
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono infocould be achieved with distributed queriesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyTunable Consistency (Strong, Eventual, Weak)Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyes inforelationship in graphsyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyes infosupports JTA and can work as an XA resourceACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes infousing a tiered cache-storage approachyesyesyes
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 developmentyesnono infocaching of (temporary) tables can be configured
User concepts infoAccess controlnonoAccess rights for users and roles; record level security configurablefine grained access rights according to SQL-standard

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More resources
DatomicEhcacheImmudbOrientDBSAP Advantage Database Server infoformer name: Sybase ADS
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