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DBMS > Rockset vs. SQream DB vs. STSdb vs. VoltDB

System Properties Comparison Rockset vs. SQream DB vs. STSdb vs. VoltDB

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Editorial information provided by DB-Engines
NameRockset  Xexclude from comparisonSQream DB  Xexclude from comparisonSTSdb  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionA scalable, reliable search and analytics service in the cloud, built on RocksDBa GPU-based, columnar RDBMS for big data analytics workloadsKey-Value Store with special method for indexing infooptimized for high performance using a special indexing methodDistributed In-Memory NewSQL RDBMS infoUsed for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory
Primary database modelDocument storeRelational DBMSKey-value storeRelational DBMS
Secondary database modelsRelational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.84
Rank#209  Overall
#35  Document stores
Score0.73
Rank#228  Overall
#105  Relational DBMS
Score0.06
Rank#365  Overall
#55  Key-value stores
Score1.46
Rank#159  Overall
#74  Relational DBMS
Websiterockset.comsqream.comgithub.com/­STSSoft/­STSdb4www.voltdb.com
Technical documentationdocs.rockset.comdocs.sqream.comdocs.voltdb.com
DeveloperRocksetSQream TechnologiesSTS Soft SCVoltDB Inc.
Initial release2019201720112010
Current release2022.1.6, December 20224.0.8, September 201511.3, April 2022
License infoCommercial or Open SourcecommercialcommercialOpen Source infoGPLv2, commercial license availableOpen Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C++, CUDA, Haskell, Java, ScalaC#Java, C++
Server operating systemshostedLinuxWindowsLinux
OS X infofor development
Data schemeschema-freeyesyesyes
Typing infopredefined data types such as float or datedynamic typingyes, ANSI Standard SQL Typesyes infoprimitive types and user defined types (classes)yes
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 infoingestion from XML files supported
Secondary indexesall fields are automatically indexednonoyes
SQL infoSupport of SQLRead-only SQL queries, including JOINsyesnoyes infoonly a subset of SQL 99
APIs and other access methodsHTTP REST.Net
JDBC
ODBC
.NET Client APIJava API
JDBC
RESTful HTTP/JSON API
Supported programming languagesGo
Java
JavaScript (Node.js)
Python
C++
Java
JavaScript (Node.js)
Python
C#
Java
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresnouser defined functions in PythonnoJava
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesAutomatic shardinghorizontal and vertical partitioningnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesnonenoneMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyesyesyesyes infoSnapshots and command logging
User concepts infoAccess controlAccess rights for users and organizations can be defined via Rockset consolenoUsers and roles with access to stored procedures

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More resources
RocksetSQream DBSTSdbVoltDB
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