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DBMS > Apache Drill vs. CouchDB vs. eXtremeDB vs. Firebase Realtime Database vs. Kyligence Enterprise

System Properties Comparison Apache Drill vs. CouchDB vs. eXtremeDB vs. Firebase Realtime Database vs. Kyligence Enterprise

Editorial information provided by DB-Engines
NameApache Drill  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisoneXtremeDB  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonKyligence Enterprise  Xexclude from comparison
DescriptionSchema-free SQL Query Engine for Hadoop, NoSQL and Cloud StorageA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.Natively in-memory DBMS with options for persistency, high-availability and clusteringCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.A distributed analytics engine for big data, built on top of Apache Kylin
Primary database modelDocument store
Relational DBMS
Document storeRelational DBMS
Time Series DBMS
Document storeRelational DBMS
Secondary database modelsSpatial DBMS infousing the Geocouch extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.84
Rank#125  Overall
#23  Document stores
#60  Relational DBMS
Score7.64
Rank#45  Overall
#7  Document stores
Score0.94
Rank#189  Overall
#87  Relational DBMS
#17  Time Series DBMS
Score13.43
Rank#39  Overall
#6  Document stores
Score0.46
Rank#253  Overall
#117  Relational DBMS
Websitedrill.apache.orgcouchdb.apache.orgwww.mcobject.comfirebase.google.com/­products/­realtime-databasekyligence.io/­kyligence-enterprise
Technical documentationdrill.apache.org/­docsdocs.couchdb.org/­en/­stablewww.mcobject.com/­docs/­extremedb.htmfirebase.google.com/­docs/­database
DeveloperApache Software FoundationApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerMcObjectGoogle infoacquired by Google 2014Kyligence, Inc.
Initial release20122005200120122016
Current release1.20.3, January 20233.3.3, December 20238.2, 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2Open Source infoApache version 2commercialcommercialcommercial
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 languageErlangC and C++Java
Server operating systemsLinux
OS X
Windows
Android
BSD
Linux
OS X
Solaris
Windows
AIX
HP-UX
Linux
macOS
Solaris
Windows
hostedLinux
Data schemeschema-freeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or dateyesnoyesyesyes
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.nonono infosupport of XML interfaces availablenono
Secondary indexesnoyes infovia viewsyesyesyes
SQL infoSupport of SQLSQL SELECT statement is SQL:2003 compliantnoyes infowith the option: eXtremeSQLnoANSI SQL for queries (using Apache Calcite)
APIs and other access methodsJDBC
ODBC
RESTful HTTP API
RESTful HTTP/JSON API.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API
Android
iOS
JavaScript API
RESTful HTTP API
JDBC
ODBC
RESTful HTTP API
Supported programming languagesC++C
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
.Net
C
C#
C++
Java
Lua
Python
Scala
Java
JavaScript
Objective-C
Server-side scripts infoStored proceduresuser defined functionsView functions in JavaScriptyeslimited functionality with using 'rules'
Triggersnoyesyes infoby defining eventsCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoimproved architecture with release 2.0horizontal partitioning / sharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
Active Replication Fabricâ„¢ for IoT
Multi-source replication infoby means of eXtremeDB Cluster option
Source-replica replication infoby means of eXtremeDB High Availability option
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencyImmediate ConsistencyEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Immediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single document possibleACIDyes
Concurrency infoSupport for concurrent manipulation of datayesyes infostrategy: optimistic lockingyes infoOptimistic (MVCC) and pessimistic (locking) strategies availableyesyes
Durability infoSupport for making data persistentDepending on the underlying data sourceyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.Depending on the underlying data sourcenoyesno
User concepts infoAccess controlDepending on the underlying data sourceAccess rights for users can be defined per databaseyes, based on authentication and database rules

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More resources
Apache DrillCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"eXtremeDBFirebase Realtime DatabaseKyligence Enterprise
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