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DBMS > Heroic vs. Oracle Coherence vs. SingleStore vs. TempoIQ vs. VelocityDB

System Properties Comparison Heroic vs. Oracle Coherence vs. SingleStore vs. TempoIQ vs. VelocityDB

Editorial information provided by DB-Engines
NameHeroic  Xexclude from comparisonOracle Coherence  Xexclude from comparisonSingleStore infoformer name was MemSQL  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparisonVelocityDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionTime Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchOracles in-memory data grid solutionMySQL wire-compliant distributed RDBMS that combines an in-memory row-oriented and a disc-based column-oriented storage with patented universal storage to handle transactional and analytical workloads in one single table typeScalable analytics DBMS for sensor data, provided as a service (SaaS)A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelTime Series DBMSKey-value storeRelational DBMSTime Series DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
Spatial DBMS
Time Series DBMS
Vector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#335  Overall
#29  Time Series DBMS
Score1.90
Rank#127  Overall
#21  Key-value stores
Score4.02
Rank#74  Overall
#39  Relational DBMS
Score0.00
Rank#385  Overall
#40  Graph DBMS
#21  Object oriented DBMS
Websitegithub.com/­spotify/­heroicwww.oracle.com/­java/­coherencewww.singlestore.comtempoiq.com (offline)velocitydb.com
Technical documentationspotify.github.io/­heroicdocs.oracle.com/­en/­middleware/­standalone/­coherencedocs.singlestore.comvelocitydb.com/­UserGuide
DeveloperSpotifyOracleSingleStore Inc.TempoIQVelocityDB Inc
Initial release20142007201320122011
Current release14.1, August 20238.5, January 20247.x
License infoCommercial or Open SourceOpen Source infoApache 2.0commercialcommercial infofree developer edition availablecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenononoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaC++, GoC#
Server operating systemsAll OS with a Java VMLinux info64 bit version requiredAny that supports .NET
Data schemeschema-freeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesyesyes
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.nonononono
Secondary indexesyes infovia Elasticsearchnoyesyes
SQL infoSupport of SQLnonoyes infobut no triggers and foreign keysnono
APIs and other access methodsHQL (Heroic Query Language, a JSON-based language)
HTTP API
JCache
JPA
RESTful HTTP API
Cluster Management API infoas HTTP Rest and CLI
HTTP API
JDBC
MongoDB API
ODBC
HTTP API.Net
Supported programming languages.Net
C++
Java
Bash
C
C#
Java
JavaScript (Node.js)
Python
C#
Java
JavaScript infoNode.js
Python
Ruby
.Net
Server-side scripts infoStored proceduresnonoyesnono
Triggersnoyes infoLive Eventsnoyes infoRealtime AlertsCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingSharding infohash partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes, with selectable consistency levelSource-replica replication infostores two copies of each physical data partition on two separate nodes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono infocan define user-defined aggregate functions for map-reduce-style calculationsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Eventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoconfigurableACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyes infooptionallyyes infoAll updates are persistent, including those to disk-based columnstores and memory-based row stores. Transaction commits are supported via write-ahead log.yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesnoyes
User concepts infoAccess controlauthentification to access the cache via certificates or http basic authenticationFine grained access control via users, groups and rolessimple authentication-based access controlBased on Windows Authentication

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More resources
HeroicOracle CoherenceSingleStore infoformer name was MemSQLTempoIQ infoformerly TempoDBVelocityDB
DB-Engines blog posts

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