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DBMS > FatDB vs. STSdb vs. VoltDB

System Properties Comparison FatDB vs. STSdb vs. VoltDB

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Editorial information provided by DB-Engines
NameFatDB  Xexclude from comparisonSTSdb  Xexclude from comparisonVoltDB  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionA .NET NoSQL DBMS that can integrate with and extend SQL Server.Key-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 store
Key-value store
Key-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.06
Rank#365  Overall
#55  Key-value stores
Score1.46
Rank#159  Overall
#74  Relational DBMS
Websitegithub.com/­STSSoft/­STSdb4www.voltdb.com
Technical documentationdocs.voltdb.com
DeveloperFatCloudSTS Soft SCVoltDB Inc.
Initial release201220112010
Current release4.0.8, September 201511.3, April 2022
License infoCommercial or Open SourcecommercialOpen 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 servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#C#Java, C++
Server operating systemsWindowsWindowsLinux
OS X infofor development
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyes infoprimitive types and user defined types (classes)yes
Secondary indexesyesnoyes
SQL infoSupport of SQLno infoVia inetgration in SQL Servernoyes infoonly a subset of SQL 99
APIs and other access methods.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
.NET Client APIJava API
JDBC
RESTful HTTP/JSON API
Supported programming languagesC#C#
Java
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresyes infovia applicationsnoJava
Triggersyes infovia applicationsnono
Partitioning methods infoMethods for storing different data on different nodesShardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factornoneMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynonono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyesyesyes infoSnapshots and command logging
User concepts infoAccess controlno infoCan implement custom security layer via applicationsnoUsers and roles with access to stored procedures

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More resources
FatDBSTSdbVoltDB
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