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DBMS > Apache Druid vs. OpenQM vs. RocksDB vs. Rockset vs. SQL.JS

System Properties Comparison Apache Druid vs. OpenQM vs. RocksDB vs. Rockset vs. SQL.JS

Editorial information provided by DB-Engines
NameApache Druid  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonRocksDB  Xexclude from comparisonRockset  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionOpen-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality dataQpenQM is a high-performance, self-tuning, multi-value DBMSEmbeddable persistent key-value store optimized for fast storage (flash and RAM)A scalable, reliable search and analytics service in the cloud, built on RocksDBPort of SQLite to JavaScript
Primary database modelRelational DBMS
Time Series DBMS
Multivalue DBMSKey-value storeDocument storeRelational DBMS
Secondary database modelsRelational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.34
Rank#88  Overall
#48  Relational DBMS
#7  Time Series DBMS
Score0.27
Rank#298  Overall
#10  Multivalue DBMS
Score3.65
Rank#85  Overall
#11  Key-value stores
Score0.79
Rank#211  Overall
#35  Document stores
Score0.53
Rank#252  Overall
#116  Relational DBMS
Websitedruid.apache.orgwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmrocksdb.orgrockset.comsql.js.org
Technical documentationdruid.apache.org/­docs/­latest/­designgithub.com/­facebook/­rocksdb/­wikidocs.rockset.comsql.js.org/­documentation/­index.html
DeveloperApache Software Foundation and contributorsRocket Software, originally Martin PhillipsFacebook, Inc.RocksetAlon Zakai infoenhancements implemented by others
Initial release20121993201320192012
Current release29.0.1, April 20243.4-128.11.4, April 2024
License infoCommercial or Open SourceOpen Source infoApache license v2Open Source infoGPLv2, extended commercial license availableOpen Source infoBSDcommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenononoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++C++JavaScript
Server operating systemsLinux
OS X
Unix
AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linuxhostedserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeyes infoschema-less columns are supportedyes infowith some exceptionsschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesnodynamic typingyes
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 infoingestion from XML files supportedno
Secondary indexesyesyesnoall fields are automatically indexed
SQL infoSupport of SQLSQL for queryingnonoRead-only SQL queries, including JOINsyes infoSQL-92 is not fully supported
APIs and other access methodsJDBC
RESTful HTTP/JSON API
C++ API
Java API
HTTP RESTJavaScript API
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
.Net
Basic
C
Java
Objective C
PHP
Python
C
C++
Go
Java
Perl
Python
Ruby
Go
Java
JavaScript (Node.js)
Python
JavaScript
Server-side scripts infoStored proceduresnoyesnonono
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodesSharding infomanual/auto, time-basedyeshorizontal partitioningAutomatic shardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesyesyesyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistencynone
Foreign keys infoReferential integritynonononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDyesnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlRBAC using LDAP or Druid internals for users and groups for read/write by datasource and systemAccess rights can be defined down to the item levelnoAccess rights for users and organizations can be defined via Rockset consoleno

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Related products and services
3rd partiesSpeedb: A high performance RocksDB-compliant key-value store optimized for write-intensive workloads.
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More resources
Apache DruidOpenQM infoalso called QMRocksDBRocksetSQL.JS
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