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DBMS > KeyDB vs. QuestDB vs. Rockset vs. SingleStore vs. VelocityDB

Vergleich der Systemeigenschaften KeyDB vs. QuestDB vs. Rockset vs. SingleStore vs. VelocityDB

Redaktionelle Informationen bereitgestellt von DB-Engines
NameKeyDB  Xaus Vergleich ausschliessenQuestDB  Xaus Vergleich ausschliessenRockset  Xaus Vergleich ausschliessenSingleStore infoformer name was MemSQL  Xaus Vergleich ausschliessenVelocityDB  Xaus Vergleich ausschliessen
KurzbeschreibungAn ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsA high performance open source SQL database for time series dataA scalable, reliable search and analytics service in the cloud, built on RocksDBMySQL 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 typeA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primäres DatenbankmodellKey-Value StoreTime Series DBMSDocument StoreRelational DBMSGraph DBMS
Object oriented DBMS
Sekundäre DatenbankmodelleRelational DBMSRelational DBMS
Suchmaschine
Document Store
Spatial DBMS
Time Series DBMS
Vektor DBMS
DB-Engines Ranking infomisst die Popularität von Datenbankmanagement- systemenranking trend
Trend Chart
Punkte0,70
Rang#229  Overall
#32  Key-Value Stores
Punkte2,70
Rang#105  Overall
#8  Time Series DBMS
Punkte0,82
Rang#212  Overall
#36  Document Stores
Punkte5,38
Rang#62  Overall
#35  Relational DBMS
Punkte0,11
Rang#354  Overall
#37  Graph DBMS
#16  Object oriented DBMS
Websitegithub.com/­Snapchat/­KeyDB
keydb.dev
questdb.iorockset.comwww.singlestore.comvelocitydb.com
Technische Dokumentationdocs.keydb.devquestdb.io/­docsdocs.rockset.comdocs.singlestore.comvelocitydb.com/­UserGuide
EntwicklerEQ Alpha Technology Ltd.QuestDB Technology IncRocksetSingleStore Inc.VelocityDB Inc
Erscheinungsjahr20192014201920132011
Aktuelle Version8.5, Jänner 20247.x
Lizenz infoCommercial or Open SourceOpen Source infoBSD-3Open Source infoApache 2.0kommerziellkommerziell infofree developer edition availablekommerziell
Ausschließlich ein Cloud-Service infoNur als Cloud-Service verfügbarneinneinjaneinnein
DBaaS Angebote (gesponserte Links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
SingleStoreDB Cloud: The world's fastest, modern cloud database for both operational (OLTP) and analytical (OLAP) workloads. Available instantly with multi-cloud and hybrid-cloud capabilities
ImplementierungsspracheC++Java (Zero-GC), C++, RustC++C++, GoC#
Server BetriebssystemeLinuxLinux
macOS
Windows
gehostetLinux info64 bit version requiredAny that supports .NET
Datenschemaschemafreija infoschema-free via InfluxDB Line Protocolschemafreijaja
Typisierung infovordefinierte Datentypen, z.B. float oder dateteilweise infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesjadynamic typingjaja
XML Unterstützung infoVerarbeitung von Daten in XML Format, beispielsweise Speicherung von XML-Strukturen und/oder Unterstützung von XPath, XQuery, XSLTneinneinnein infoingestion from XML files supportedneinnein
Sekundärindizesja infoby using the Redis Search moduleneinall fields are automatically indexedjaja
SQL infoSupport of SQLneinSQL with time-series extensionsRead-only SQL queries, including JOINsyes infobut no triggers and foreign keysnein
APIs und andere ZugriffskonzepteProprietäres Protokoll infoRESP - REdis Serialization ProtocoHTTP REST
InfluxDB Line Protocol (TCP/UDP)
JDBC
PostgreSQL wire protocol
HTTP RESTCluster Management API infoas HTTP Rest and CLI
HTTP API
JDBC
MongoDB API
ODBC
.Net
Unterstützte ProgrammiersprachenC
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 infoPostgreSQL driver
C++
Go
Java
JavaScript (Node.js)
Python
Rust infoover HTTP
Go
Java
JavaScript (Node.js)
Python
Bash
C
C#
Java
JavaScript (Node.js)
Python
.Net
Server-seitige Scripts infoStored ProceduresLuaneinneinjanein
TriggersneinneinneinneinCallbacks are triggered when data changes
Partitionierungsmechanismen infoMethoden zum Speichern von unterschiedlichen Daten auf unterschiedlichen KnotenShardinghorizontal partitioning (by timestamps)Automatic shardingSharding infohash partitioningSharding
Replikationsmechanismen infoMethoden zum redundanten Speichern von Daten auf mehreren KnotenMulti-Source Replikation
Source-Replica Replikation
Source-replica replication with eventual consistencyjaSource-Replica Replikation infostores two copies of each physical data partition on two separate nodes
MapReduce infoBietet ein API für Map/Reduce Operationenneinneinneinnein infocan define user-defined aggregate functions for map-reduce-style calculationsnein
Konsistenzkonzept infoMethoden zur Sicherstellung der Konsistenz in einem verteilten SystemEventual Consistency
Strong eventual consistency with CRDTs
Immediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency
Fremdschlüssel inforeferenzielle Integritätneinneinneinneinnein
Transaktionskonzept infoUnterstützung zur Sicherstellung der Datenintegrität bei nicht-atomaren DatenmanipulationenOptimistic locking, atomic execution of commands blocks and scriptsACID for single-table writesneinACIDACID
Concurrency infoUnterstützung von gleichzeitig ausgeführten Datenmanipulationenjajajayes, multi-version concurrency control (MVCC)ja
Durability infoDauerhafte Speicherung der Datenja infoConfigurable mechanisms for persistency via snapshots and/or operations logsjajaja infoAll updates are persistent, including those to disk-based columnstores and memory-based row stores. Transaction commits are supported via write-ahead log.ja
In-Memory Unterstützung infoGibt es Möglichkeiten einige oder alle Strukturen nur im Hauptspeicher zu haltenjaja infothrough memory mapped filesjaja
Berechtigungskonzept infoZugriffskontrolleeinfacher Passwort-basierter Zugriffsschutz und ACLAccess rights for users and organizations can be defined via Rockset consoleFine grained access control via users, groups and rolesBased on Windows Authentication
Weitere Informationen bereitgestellt vom Systemhersteller
KeyDBQuestDBRocksetSingleStore infoformer name was MemSQLVelocityDB
Specific characteristicsRelational model with native time series support Column-based storage and time partitioned...
» mehr
SingleStore offers a fully-managed , distributed, highly-scalable SQL database designed...
» mehr
Competitive advantagesHigh ingestion throughput: peak of 4M rows/sec (TSBS Benchmark) Code optimizations...
» mehr
SingleStore’s competitive advantages include: Easy and Simplified Architecture with...
» mehr
Typical application scenariosFinancial tick data Industrial IoT Application Metrics Monitoring
» mehr
Driving Fast Analytics: SingleStore delivers the fastest and most scalable reporting...
» mehr
Key customersBanks & Hedge funds, Yahoo, OKX, Airbus, Aquis Exchange, Net App, Cloudera, Airtel,...
» mehr
IEX Cloud : Improves Financial Data Distribution Speed 15x with Singlestore DB Comcast,...
» mehr
Market metricsCustomers in various industries worldwide including US and International Industry...
» mehr
Licensing and pricing modelsOpen source Apache 2.0 QuestDB Enterprise QuestDB Cloud
» mehr
F ree Tier and Enterprise Edition
» mehr
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Weitere Ressourcen
KeyDBQuestDBRocksetSingleStore infoformer name was MemSQLVelocityDB
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