DB-EnginesExtremeDB: the first and only COTS deterministic embedded database management system for mission- and safety-critical hard real-time applicationsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Heroic vs. KeyDB vs. Microsoft Azure Synapse Analytics vs. VoltDB

System Properties Comparison Heroic vs. KeyDB vs. Microsoft Azure Synapse Analytics vs. VoltDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameHeroic  Xexclude from comparisonKeyDB  Xexclude from comparisonMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data Warehouse  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionTime Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchAn ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsElastic, large scale data warehouse service leveraging the broad eco-system of SQL ServerDistributed 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 modelTime Series DBMSKey-value storeRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.04
Rank#323  Overall
#29  Time Series DBMS
Score0.32
Rank#268  Overall
#40  Key-value stores
Score17.98
Rank#39  Overall
#24  Relational DBMS
Score1.72
Rank#131  Overall
#66  Relational DBMS
Websitespotify.github.io/­heroic/­#!/­indexgithub.com/­JohnSully/­KeyDB
keydb.dev
azure.microsoft.com/­services/­synapse-analyticswww.voltdb.com
Technical documentationspotify.github.io/­heroic/­#!/­docs/­overviewdocs.keydb.devdocs.microsoft.com/­azure/­synapse-analyticsdocs.voltdb.com
DeveloperSpotifyEQ Alpha Technology Ltd.MicrosoftVoltDB Inc.
Initial release2014201920162010
Current release10.1, October 2020
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoBSD-3commercialOpen Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++C++Java, C++
Server operating systemsLinuxhostedLinux
OS X infofor development
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyespartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesyesyes
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 indexesyes infovia Elasticsearchyes infoby using the Redis Search moduleyesyes
SQL infoSupport of SQLnonoyesyes infoonly a subset of SQL 99
APIs and other access methodsHQL (Heroic Query Language, a JSON-based language)
HTTP API
Proprietary protocol infoRESP - REdis Serialization ProtocoADO.NET
JDBC
ODBC
Java API
JDBC
RESTful HTTP/JSON API
Supported programming languagesC
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
C#
Java
PHP
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresnoLuaTransact SQLJava
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesShardingShardingSharding, horizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-source replication
Source-replica replication
yesMulti-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 Consistency
Immediate Consistency
Eventual Consistency
Strong eventual consistency with CRDTs
Immediate Consistency
Foreign keys infoReferential integritynonono infodocs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraintsno infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoOptimistic locking, atomic execution of commands blocks and scriptsACIDACID 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 persistentyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyesyes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlsimple password-based access control and ACLyesUsers and roles with access to stored procedures

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
HeroicKeyDBMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data WarehouseVoltDB
Recent citations in the news

The route to success? Microsoft Azure Synapse Analytics and Power BI
9 November 2021, Technology Record

Gluent Allows Customers to Migrate to Azure Synapse Analytics Faster Than Ever with the Release of Gluent Data Platform 4.3
21 November 2021, WFMZ Allentown

Key Microsoft Azure News from Ignite
3 November 2021, Redmondmag.com

Microsoft open-sources SynapseML for developing AI pipelines
17 November 2021, VentureBeat

Informatica Announces Program with Microsoft to Launch Modern Cloud Analytics on Microsoft Azure
3 November 2021, PRNewswire

provided by Google News

How to monetize MEC: 'There is no easy button'
29 November 2021, RCR Wireless 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

provided by Google News

Job opportunities

Engineering Manager
Akamai, Cambridge, MA

Azure Synapse
Cubestech, Remote

SYNAPSE POWER BI LEAD
Khoj Information Technology, Inc., Remote

Senior Azure Synapse Architect
Applexus, Remote

Azure Engineer/ALL OVER USA
PRO IT Inc., Charlotte, NC

Azure Data Engineer
Chabez Tech, Quincy, MA

jobs by Indeed



Share this page

Featured Products

Couchbase logo

The modern database for enterprise applications. Build fast. Scale Big. Save more.
Get started today.

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 80GB free.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Vertica logo

Vertica Accelerator. The fastest analytics and machine learning, delivered as SaaS, with automated setup, administration, and management. Free trial.

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Present your product here