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DBMS > etcd vs. MaxDB vs. SiteWhere vs. Transwarp KunDB

System Properties Comparison etcd vs. MaxDB vs. SiteWhere vs. Transwarp KunDB

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Editorial information provided by DB-Engines
Nameetcd  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonSiteWhere  Xexclude from comparisonTranswarp KunDB  Xexclude from comparison
DescriptionA distributed reliable key-value storeA robust and reliable RDBMS optimized to run all major SAP solutionsM2M integration platform for persisting/querying time series dataOLTP DBMS based on a distributed architecture and highly compatible with MySQL and Oracle
Primary database modelKey-value storeRelational DBMSTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.03
Rank#54  Overall
#5  Key-value stores
Score2.26
Rank#114  Overall
#55  Relational DBMS
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Score0.14
Rank#341  Overall
#149  Relational DBMS
Websiteetcd.io
github.com/­etcd-io/­etcd
maxdb.sap.comgithub.com/­sitewhere/­sitewherewww.transwarp.cn/­en/­product/­kundb
Technical documentationetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
maxdb.sap.com/­documentationsitewhere1.sitewhere.io/­index.html
DeveloperSAP, acquired from Software AG (Adabas-D) in 1997SiteWhereTranswarp
Initial release19842010
Current release3.4, August 20197.9.10.12, February 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercial infoLimited community edition freeOpen Source infoCommon Public Attribution License Version 1.0commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC++Java
Server operating systemsFreeBSD
Linux
Windows infoexperimental
AIX
HP-UX
Linux
Solaris
Windows
Linux
OS X
Windows
Data schemeschema-freeyespredefined schemeyes
Typing infopredefined data types such as float or datenoyesyesyes
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 indexesnoyesnoyes
SQL infoSupport of SQLnoyesnoyes
APIs and other access methodsgRPC
JSON over HTTP
ADO.NET
JDBC
ODBC
WebDAV
HTTP REST
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
.Net
C#
Java
Perl
PHP
Python
Server-side scripts infoStored proceduresnoyesyes
Triggersyes, watching key changesyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infobased on HBasehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.Source-replica replicationselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonono
User concepts infoAccess controlnofine grained access rights according to SQL-standardUsers with fine-grained authorization conceptyes

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More resources
etcdMaxDB infoformerly named Adabas-DSiteWhereTranswarp KunDB
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