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DBMS > Apache Drill vs. Cloudflare Workers KV vs. CouchDB vs. IRONdb vs. Oracle Coherence

System Properties Comparison Apache Drill vs. Cloudflare Workers KV vs. CouchDB vs. IRONdb vs. Oracle Coherence

Editorial information provided by DB-Engines
NameApache Drill  Xexclude from comparisonCloudflare Workers KV  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonIRONdb  Xexclude from comparisonOracle Coherence  Xexclude from comparison
IRONdb seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionSchema-free SQL Query Engine for Hadoop, NoSQL and Cloud StorageA global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.A native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.A distributed Time Series DBMS with a focus on scalability, fault tolerance and operational simplicityOracles in-memory data grid solution
Primary database modelDocument store
Relational DBMS
Key-value storeDocument storeTime Series DBMSKey-value store
Secondary database modelsSpatial DBMS infousing the Geocouch extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.95
Rank#127  Overall
#23  Document stores
#60  Relational DBMS
Score0.32
Rank#283  Overall
#40  Key-value stores
Score9.30
Rank#45  Overall
#7  Document stores
Score1.92
Rank#130  Overall
#22  Key-value stores
Websitedrill.apache.orgwww.cloudflare.com/­developer-platform/­workers-kvcouchdb.apache.orgwww.circonus.com/solutions/time-series-database/www.oracle.com/­java/­coherence
Technical documentationdrill.apache.org/­docsdevelopers.cloudflare.com/­kv/­apidocs.couchdb.org/­en/­stabledocs.circonus.com/irondb/category/getting-starteddocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperApache Software FoundationCloudflareApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerCirconus LLC.Oracle
Initial release20122018200520172007
Current release1.20.3, January 20233.3.3, December 2023V0.10.20, January 201814.1, August 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2commercialOpen Source infoApache version 2commercialcommercial
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageErlangC and C++Java
Server operating systemsLinux
OS X
Windows
hostedAndroid
BSD
Linux
OS X
Solaris
Windows
LinuxAll OS with a Java VM
Data schemeschema-freeschema-freeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesnonoyes infotext, numeric, histogramsyes
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 indexesnonoyes infovia viewsnono
SQL infoSupport of SQLSQL SELECT statement is SQL:2003 compliantnonoSQL-like query language (Circonus Analytics Query Language: CAQL)no
APIs and other access methodsJDBC
ODBC
RESTful HTTP API
HTTP REST
Proprietary protocol
RESTful HTTP/JSON APIHTTP APIJCache
JPA
RESTful HTTP API
Supported programming languagesC++C
C++
Dart
JavaScript
Kotlin
Python
Rust
Scala
C
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript
JavaScript (Node.js)
Lisp
Lua
Perl
PHP
Python
R
Ruby
Rust
Scala
.Net
C++
Java
Server-side scripts infoStored proceduresuser defined functionsnoView functions in JavaScriptyes, in Luano
Triggersnonoyesnoyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoimproved architecture with release 2.0Automatic, metric affinity per nodeSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-source replication
Source-replica replication
configurable replication factor, datacenter awareyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencyEventual ConsistencyImmediate consistency per node, eventual consistency across nodesEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono infoatomic operations within a single document possiblenoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyes infostrategy: optimistic lockingyesyes
Durability infoSupport for making data persistentDepending on the underlying data sourceyesyesyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.Depending on the underlying data sourcenononoyes
User concepts infoAccess controlDepending on the underlying data sourceAccess rights for users can be defined per databasenoauthentification to access the cache via certificates or http basic authentication

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More resources
Apache DrillCloudflare Workers KVCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"IRONdbOracle Coherence
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