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DBMS > ScyllaDB vs. SpaceTime vs. VoltDB

System Properties Comparison ScyllaDB vs. SpaceTime vs. VoltDB

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Editorial information provided by DB-Engines
NameScyllaDB  Xexclude from comparisonSpaceTime  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionCassandra and DynamoDB compatible wide column storeSpaceTime is a spatio-temporal DBMS with a focus on performance.Distributed 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 modelKey-value store
Wide column store
Spatial DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.93
Rank#86  Overall
#14  Key-value stores
#6  Wide column stores
Score0.00
Rank#360  Overall
#5  Spatial DBMS
Score1.72
Rank#131  Overall
#66  Relational DBMS
Websitewww.scylladb.comwww.mireo.hr/­spacetimewww.voltdb.com
Technical documentationdocs.scylladb.comdocs.voltdb.com
DeveloperScyllaDBMireoVoltDB Inc.
Initial release201520202010
Current releaseScylla Open Source 4.5, October 202110.1, October 2020
License infoCommercial or Open SourceOpen Source infoOpen Source (AGPL), commercial license availablecommercialOpen 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

Providers of DBaaS offerings, please contact us to be listed.
Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS
Implementation languageC++C++Java, C++
Server operating systemsLinuxLinuxLinux
OS X infofor development
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesyes
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.nono
Secondary indexesyes infocluster global secondary indicesnoyes
SQL infoSupport of SQLSQL-like DML and DDL statements (CQL)A subset of ANSI SQL is implementedyes infoonly a subset of SQL 99
APIs and other access methodsProprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
RESTful HTTP APIJava API
JDBC
RESTful HTTP/JSON API
Supported programming languagesFor CQL interface: C#, C++, Clojure, Erlang, Go, Haskell, Java, JavaScript, Node.js, Perl, PHP, Python, Ruby, Rust, Scala
For DynamoDB interface: .Net, ColdFusion, Erlang, Groovy, Java, JavaScript, Perl, PHP, Python, Ruby
C#
C++
Python
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresyes, LuanoJava
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesShardingFixed-grid hypercubesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleReal-time block device replication (DRBD)Multi-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Tunable Consistency infocan be individually decided for each write operation
Immediate Consistency
Foreign keys infoReferential integritynonono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsnoACID 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
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoin-memory tablesno
User concepts infoAccess controlAccess rights for users can be defined per objectyesUsers and roles with access to stored procedures
More information provided by the system vendor
ScyllaDBSpaceTimeVoltDB
Specific characteristicsScylla is a highly-available, highly-scalable, highly-performant NoSQL database....
» more
Competitive advantagesHighly-performant (efficiently utilizes full resources of a node and network; millions...
» more
Typical application scenariosAdTech ( AdGear , AppMonet , Dstillery , FullContact , MediaMath , Numberly , SAS...
» more
Key customersComcast, Grab, OlaCabs, Yahoo! Japan, IMVU, Adgear, Xandr, Zenly, Natura, Snapfish,...
» more
Licensing and pricing modelsScylla Open Source - free open source software (AGPL) Scylla Enterprise - subscription-based...
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
ScyllaDBSpaceTimeVoltDB
Conferences and events

Scylla Summit 2022
Virtual Conference, 9-10 February 2022

Finished events

P99 CONF - Cross-Industry Event on All Things P99
Virtual Conference, 6-7 October 2021 (finished)

Recent citations in the news

ScyllaDB Announces Scylla Enterprise 2021 NoSQL Database
20 May 2021, GlobeNewswire

ScyllaDB Joins AWS ISV Accelerate Program to Scale Data-Intensive Applications
30 November 2021, GlobeNewswire

ScyllaDB Announces NoSQL Database as a Service Now Available on Google Cloud
4 August 2021, GlobeNewswire

ScyllaDB Unveils 'Monstrous' New Capabilities for Its NoSQL
12 January 2021, GlobeNewswire

ScyllaDB Announces Comprehensive Support for Apache Kafka
16 June 2021, GlobeNewswire

provided by Google News

VoltDB Announces Key New Hires to Accelerate Telco Business Growth
26 October 2021, PRNewswire

VoltDB Launches Active(N) Lossless Cross Data Center Replication
31 August 2021, PRNewswire

Outlook on the In-Memory Database Global Market to 2026 - by Data Type, Application, End-user, Vertical and Region - ResearchAndMarkets.com
16 November 2021, Yahoo Finance

VoltDB Partners with Google Cloud for 5G Edge Applications
24 June 2021, PRNewswire

VoltDB Reveals Key Features to Optimize 5G, Cloud, and Edge
28 June 2021, PRNewswire

provided by Google News

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