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DBMS > Kdb vs. SurrealDB

System Properties Comparison Kdb vs. SurrealDB

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Editorial information provided by DB-Engines
NameKdb  Xexclude from comparisonSurrealDB  Xexclude from comparison
DescriptionHigh performance Time Series DBMSA fully ACID transactional, developer-friendly, multi-model DBMS
Primary database modelTime Series DBMS
Vector DBMS
Document store
Graph DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.10
Rank#48  Overall
#2  Time Series DBMS
#3  Vector DBMS
Score1.00
Rank#183  Overall
#31  Document stores
#17  Graph DBMS
Websitekx.comsurrealdb.com
Technical documentationcode.kx.comsurrealdb.com/­docs
DeveloperKx Systems, a division of First Derivatives plcSurrealDB Ltd
Initial release2000 infokdb was released 2000, kdb+ in 20032022
Current release3.6, May 2018v1.5.0, May 2024
License infoCommercial or Open Sourcecommercial infofree 32-bit versionOpen Source
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageqRust
Server operating systemsLinux
OS X
Solaris
Windows
Linux
macOS
Windows
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyesyes
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.yes
Secondary indexesyes infotable attribute 'grouped'
SQL infoSupport of SQLSQL-like query language (q)SQL-like query language
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
GraphQL
RESTful HTTP API
WebSocket
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Deno
Go
JavaScript (Node.js)
Rust
Server-side scripts infoStored proceduresuser defined functions
Triggersyes infowith views
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlrights management via user accountsyes, based on authentication and database rules

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More resources
KdbSurrealDB
Recent citations in the news

Introducing Amazon FinSpace with Managed kdb Insights, a fully managed analytics engine, commonly used by capital markets customers for analysis of real-time and historical time series data
18 May 2023, AWS Blog

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provided by Google News

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SurrealDB is helping developers consolidate their databases
18 June 2024, TechCrunch

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18 June 2024, PR Newswire

London-based SurrealDB secures over €18.6 million aiming to disrupt database technology
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