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DBMS > Apache Druid vs. FatDB vs. NuoDB vs. Realm vs. Rockset

System Properties Comparison Apache Druid vs. FatDB vs. NuoDB vs. Realm vs. Rockset

Editorial information provided by DB-Engines
NameApache Druid  Xexclude from comparisonFatDB  Xexclude from comparisonNuoDB  Xexclude from comparisonRealm  Xexclude from comparisonRockset  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionOpen-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality dataA .NET NoSQL DBMS that can integrate with and extend SQL Server.NuoDB is a webscale distributed database that supports SQL and ACID transactionsA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataA scalable, reliable search and analytics service in the cloud, built on RocksDB
Primary database modelRelational DBMS
Time Series DBMS
Document store
Key-value store
Relational DBMSDocument storeDocument store
Secondary database modelsRelational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.25
Rank#90  Overall
#47  Relational DBMS
#7  Time Series DBMS
Score0.94
Rank#197  Overall
#92  Relational DBMS
Score7.41
Rank#52  Overall
#8  Document stores
Score0.82
Rank#212  Overall
#36  Document stores
Websitedruid.apache.orgwww.3ds.com/­nuodb-distributed-sql-databaserealm.iorockset.com
Technical documentationdruid.apache.org/­docs/­latest/­designdoc.nuodb.comrealm.io/­docsdocs.rockset.com
DeveloperApache Software Foundation and contributorsFatCloudDassault Systèmes infooriginally NuoDB, Inc.Realm, acquired by MongoDB in May 2019Rockset
Initial release20122012201320142019
Current release29.0.1, April 2024
License infoCommercial or Open SourceOpen Source infoApache license v2commercialcommercial infolimited edition freeOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC#C++C++
Server operating systemsLinux
OS X
Unix
Windowshosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
Android
Backend: server-less
iOS
Windows
hosted
Data schemeyes infoschema-less columns are supportedschema-freeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesyesdynamic typing
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.nononono infoingestion from XML files supported
Secondary indexesyesyesyesyesall fields are automatically indexed
SQL infoSupport of SQLSQL for queryingno infoVia inetgration in SQL ServeryesnoRead-only SQL queries, including JOINs
APIs and other access methodsJDBC
RESTful HTTP/JSON API
.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
ADO.NET
JDBC
ODBC
HTTP REST
Supported programming languagesClojure
JavaScript
PHP
Python
R
Ruby
Scala
C#.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
.Net
Java infowith Android only
Objective-C
React Native
Swift
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnoyes infovia applicationsJava, SQLno inforuns within the applications so server-side scripts are unnecessaryno
Triggersnoyes infovia applicationsyesyes infoChange Listenersno
Partitioning methods infoMethods for storing different data on different nodesSharding infomanual/auto, time-basedShardingdata is dynamically stored/cached on the nodes where it is read/writtennoneAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, via HDFS, S3 or other storage enginesselectable replication factoryes infoManaged transparently by NuoDBnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynonoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACID infotunable commit protocolACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoMVCCyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoTemporary tableyes infoIn-Memory realm
User concepts infoAccess controlRBAC using LDAP or Druid internals for users and groups for read/write by datasource and systemno infoCan implement custom security layer via applicationsStandard SQL roles/ privileges, Administrative UsersyesAccess rights for users and organizations can be defined via Rockset console

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More resources
Apache DruidFatDBNuoDBRealmRockset
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