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DBMS > etcd vs. Riak TS vs. SAP IQ

System Properties Comparison etcd vs. Riak TS vs. SAP IQ

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Editorial information provided by DB-Engines
Nameetcd  Xexclude from comparisonRiak TS  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparison
DescriptionA distributed reliable key-value storeRiak TS is a distributed NoSQL database optimized for time series data and based on Riak KVColumnar RDBMS optimized for Big Data analytics
Primary database modelKey-value storeTime Series DBMSRelational DBMS infocolumn-oriented
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.96
Rank#55  Overall
#6  Key-value stores
Score0.33
Rank#290  Overall
#21  Time Series DBMS
Score4.56
Rank#85  Overall
#43  Relational DBMS
Websiteetcd.io
github.com/­etcd-io/­etcd
riak.com/­products/­riak-tswww.sap.com/­products/­sybase-iq-big-data-management.html
Technical documentationetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
help.sap.com/­iq
DeveloperBasho TechnologiesSAP, formerly Sybase
Initial release20151994
Current release3.4, August 201916.1 SPS04, April 2019
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoErlang
Server operating systemsFreeBSD
Linux
Windows infoexperimental
Linux
OS X
AIX
HP-UX
Linux
Solaris
Windows
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenonoyes
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
Secondary indexesnorestrictedyes
SQL infoSupport of SQLnonoyes
APIs and other access methodsgRPC
JSON over HTTP
HTTP API
Native Erlang Interface
ADO.NET
JDBC
ODBC
RESTful HTTP API
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
C infounofficial client library
C#
C++ infounofficial client library
Clojure infounofficial client library
Dart infounofficial client library
Erlang
Go infounofficial client library
Groovy infounofficial client library
Haskell infounofficial client library
Java
JavaScript infounofficial client library
Lisp infounofficial client library
Perl infounofficial client library
PHP
Python
Ruby
Scala infounofficial client library
Smalltalk infounofficial client library
C
C#
C++
Java
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresnoJavaScript and Erlangyes
Triggersyes, watching key changesyes infopre-commit hooks and post-commit hooksyes
Partitioning methods infoMethods for storing different data on different nodesShardingshared disk or shared nothing architectures with SAP IQ Multiplexer
Replication methods infoMethods for redundantly storing data on multiple nodesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.selectable replication factorSAP/Sybase Replication Server
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesHadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono infolinks between datasets can be storedyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlnonofine grained access rights according to SQL-standard

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More resources
etcdRiak TSSAP IQ infoformer name: Sybase IQ
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