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DBMS > EventStoreDB vs. Hypertable vs. KairosDB vs. SQream DB vs. Valentina Server

System Properties Comparison EventStoreDB vs. Hypertable vs. KairosDB vs. SQream DB vs. Valentina Server

Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonHypertable  Xexclude from comparisonKairosDB  Xexclude from comparisonSQream DB  Xexclude from comparisonValentina Server  Xexclude from comparison
Hypertable has stopped its further development with March 2016 and is removed from the DB-Engines ranking.
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.An open source BigTable implementation based on distributed file systems such as HadoopDistributed Time Series DBMS based on Cassandra or H2a GPU-based, columnar RDBMS for big data analytics workloadsObject-relational database and reports server
Primary database modelEvent StoreWide column storeTime Series DBMSRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.07
Rank#181  Overall
#1  Event Stores
Score0.60
Rank#238  Overall
#20  Time Series DBMS
Score0.62
Rank#234  Overall
#109  Relational DBMS
Score0.18
Rank#313  Overall
#140  Relational DBMS
Websitewww.eventstore.comgithub.com/­kairosdb/­kairosdbsqream.comwww.valentina-db.net
Technical documentationdevelopers.eventstore.comkairosdb.github.iodocs.sqream.comvalentina-db.com/­docs/­dokuwiki/­v5/­doku.php
DeveloperEvent Store LimitedHypertable Inc.SQream TechnologiesParadigma Software
Initial release20122009201320171999
Current release21.2, February 20210.9.8.11, March 20161.2.2, November 20182022.1.6, December 20225.7.5
License infoCommercial or Open SourceOpen SourceOpen Source infoGNU version 3. Commercial license availableOpen Source infoApache 2.0commercialcommercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaC++, CUDA, Haskell, Java, Scala
Server operating systemsLinux
Windows
Linux
OS X
Windows infoan inofficial Windows port is available
Linux
OS X
Windows
LinuxLinux
OS X
Windows
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or datenoyesyes, ANSI Standard SQL Typesyes
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.no
Secondary indexesrestricted infoonly exact value or prefix value scansnonoyes
SQL infoSupport of SQLnonoyesyes
APIs and other access methodsC++ API
Thrift
Graphite protocol
HTTP REST
Telnet API
.Net
JDBC
ODBC
ODBC
Supported programming languagesC++
Java
Perl
PHP
Python
Ruby
Java
JavaScript infoNode.js
PHP
Python
C++
Java
JavaScript (Node.js)
Python
.Net
C
C#
C++
Objective-C
PHP
Ruby
Visual Basic
Visual Basic.NET
Server-side scripts infoStored proceduresnonouser defined functions in Pythonyes
Triggersnononoyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on Cassandrahorizontal and vertical partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor on file system levelselectable replication factor infobased on Cassandranone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynononoyes
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 persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlnosimple password-based access controlfine grained access rights according to SQL-standard

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More resources
EventStoreDBHypertableKairosDBSQream DBValentina Server
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