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DBMS > Apache Druid vs. Datomic vs. Oracle Rdb vs. OrientDB vs. SAP IQ

System Properties Comparison Apache Druid vs. Datomic vs. Oracle Rdb vs. OrientDB vs. SAP IQ

Editorial information provided by DB-Engines
NameApache Druid  Xexclude from comparisonDatomic  Xexclude from comparisonOracle Rdb  Xexclude from comparisonOrientDB  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparison
DescriptionOpen-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality dataDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityMulti-model DBMS (Document, Graph, Key/Value)Columnar RDBMS optimized for Big Data analytics
Primary database modelRelational DBMS
Time Series DBMS
Relational DBMSRelational DBMSDocument store
Graph DBMS
Key-value store
Relational DBMS infocolumn-oriented
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.85
Rank#96  Overall
#50  Relational DBMS
#6  Time Series DBMS
Score1.55
Rank#144  Overall
#67  Relational DBMS
Score1.04
Rank#184  Overall
#84  Relational DBMS
Score3.02
Rank#88  Overall
#16  Document stores
#6  Graph DBMS
#12  Key-value stores
Score2.56
Rank#106  Overall
#52  Relational DBMS
Websitedruid.apache.orgwww.datomic.comwww.oracle.com/­database/­technologies/­related/­rdb.htmlorientdb.orgwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.html
Technical documentationdruid.apache.org/­docs/­latest/­designdocs.datomic.comwww.oracle.com/­database/­technologies/­related/­rdb-doc.htmlwww.orientdb.com/­docs/­last/­index.htmlhelp.sap.com/­docs/­SAP_IQ
DeveloperApache Software Foundation and contributorsCognitectOracle, originally developed by Digital Equipment Corporation (DEC)OrientDB LTD; CallidusCloud; SAPSAP, formerly Sybase
Initial release20122012198420101994
Current release30.0.0, June 20241.0.7180, July 20247.4.1.1, 20213.2.29, March 202416.1 SPS04, April 2019
License infoCommercial or Open SourceOpen Source infoApache license v2commercial infolimited edition freecommercialOpen Source infoApache version 2commercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJava, ClojureJava
Server operating systemsLinux
OS X
Unix
All OS with a Java VMHP Open VMSAll OS with a Java JDK (>= JDK 6)AIX
HP-UX
Linux
Solaris
Windows
Data schemeyes infoschema-less columns are supportedyesFlexible Schema (defined schema, partial schema, schema free)schema-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 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.nonononono
Secondary indexesyesyesyesyesyes
SQL infoSupport of SQLSQL for queryingnoyesSQL-like query language, no joinsyes
APIs and other access methodsJDBC
RESTful HTTP/JSON API
RESTful HTTP APITinkerpop technology stack with Blueprints, Gremlin, Pipes
Java API
RESTful HTTP/JSON API
ADO.NET
JDBC
ODBC
RESTful HTTP API
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
Clojure
Java
.Net
C
C#
C++
Clojure
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Scala
C
C#
C++
Java
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresnoyes infoTransaction FunctionsJava, Javascriptyes
TriggersnoBy using transaction functionsHooksyes
Partitioning methods infoMethods for storing different data on different nodesSharding infomanual/auto, time-basednone infoBut extensive use of caching in the application peersShardingshared disk or shared nothing architectures with SAP IQ Multiplexer
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesnone infoBut extensive use of caching in the application peersMulti-source replicationSAP/Sybase Replication Server
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono infocould be achieved with distributed queriesHadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesyes inforelationship in graphsyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDyes, on a single nodeACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyes 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.noyes inforecommended only for testing and developmentnono
User concepts infoAccess controlRBAC using LDAP or Druid internals for users and groups for read/write by datasource and systemnoAccess rights for users and roles; record level security configurablefine grained access rights according to SQL-standard

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More resources
Apache DruidDatomicOracle RdbOrientDBSAP IQ infoformer name: Sybase IQ
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