DBMS > Atos Standard Common Repository vs. Cloudflare Workers KV vs. DolphinDB vs. VelocityDB vs. Yaacomo

System Properties Comparison Atos Standard Common Repository vs. Cloudflare Workers KV vs. DolphinDB vs. VelocityDB vs. Yaacomo

Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	Cloudflare Workers KV  Xexclude from comparison	DolphinDB  Xexclude from comparison	VelocityDB  Xexclude from comparison	Yaacomo  Xexclude from comparison
	This system has been discontinued and will be removed from the DB-Engines ranking.				Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
Description	Highly scalable database system, designed for managing session and subscriber data in modern mobile communication networks	A global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.	DolphinDB is a high performance Time Series DBMS. It is integrated with an easy-to-use fully featured programming language and a high-volume high-velocity streaming analytics system. It offers operational simplicity, scalability, fault tolerance, and concurrency.	A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)	OpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database model	Document store Key-value store	Key-value store	Time Series DBMS	Graph DBMS Object oriented DBMS	Relational DBMS
Secondary database models			Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 0.39 Rank #274   Overall #39   Key-value stores	Score 4.03 Rank #78   Overall #6   Time Series DBMS	Score 0.11 Rank #354   Overall #37   Graph DBMS #15   Object oriented DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	www.cloudflare.com/­developer-platform/­workers-kv	www.dolphindb.com	velocitydb.com	yaacomo.com
Technical documentation		developers.cloudflare.com/­kv/­api	docs.dolphindb.cn/­en/­help200/­index.html	velocitydb.com/­UserGuide
Developer	Atos Convergence Creators	Cloudflare	DolphinDB, Inc	VelocityDB Inc	Q2WEB GmbH
Initial release	2016	2018	2018	2011	2009
Current release	1703		v2.00.4, January 2022	7.x
License Commercial or Open Source	commercial	commercial	commercial free community version available	commercial	commercial
Cloud-based only Only available as a cloud service	no	yes	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	Java		C++	C#
Server operating systems	Linux	hosted	Linux Windows	Any that supports .NET	Android Linux Windows
Data scheme	Schema and schema-less with LDAP views	schema-free	yes	yes	yes
Typing predefined data types such as float or date	optional	no	yes	yes	yes
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.	yes	no	no	no	no
Secondary indexes	yes	no	yes	yes	yes
SQL Support of SQL	no	no	SQL-like query language	no	yes
APIs and other access methods	LDAP	HTTP REST Proprietary protocol	JDBC JSON over HTTP Kafka MQTT (Message Queue Telemetry Transport) ODBC OPC DA OPC UA RabbitMQ WebSocket	.Net	JDBC ODBC
Supported programming languages	All languages with LDAP bindings	C C++ Dart JavaScript Kotlin Python Rust Scala	C# C++ Go Java JavaScript MatLab Python R Rust	.Net
Server-side scripts Stored procedures	no	no	yes	no
Triggers	yes	no	no	Callbacks are triggered when data changes	yes
Partitioning methods Methods for storing different data on different nodes	Sharding cell division		horizontal partitioning	Sharding	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes	yes	yes		Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods		no	yes	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency or Eventual Consistency depending on configuration	Eventual Consistency	Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	no	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations	no	yes	ACID	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	no	yes	yes	yes
User concepts Access control	LDAP bind authentication		Administrators, Users, Groups	Based on Windows Authentication	fine grained access rights according to SQL-standard
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
	Atos Standard Common Repository	Cloudflare Workers KV	DolphinDB	VelocityDB	Yaacomo
Recent citations in the news	Infographic: What makes a Mobile Operator's setup future proof? 10 February 2024, Atos provided by Google News	Cloudflare updates Workers platform with Python support, event notifications, and improved local development ... 3 April 2024, DevClass Cloudflare recovers from service outage after power failure at core North American data center 3 November 2023, DatacenterDynamics Cloudflare dashboard, API service feeling poorly due to datacenter power snafu 2 November 2023, The Register Cloudflare is (still) struggling with another outage - here's what to know 3 November 2023, ZDNet Anonymous Sudan DDoS attack hits Cloudflare website 13 November 2023, SC Media provided by Google News

Share this page