DBMS > CockroachDB vs. OpenQM

System Properties Comparison CockroachDB vs. OpenQM

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Editorial information provided by DB-Engines

Name

Description

CockroachDB is a distributed database architected for modern cloud applications. It is wire compatible with PostgreSQL and backed by a Key-Value Store, which is either RocksDB or a purpose-built derivative, called Pebble.

QpenQM is a high-performance, self-tuning, multi-value DBMS

Primary database model

Relational DBMS

Multivalue DBMS

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	7.09
Rank	#59	Overall
	#33	Relational DBMS

Score	0.58
Rank	#262	Overall
	#10	Multivalue DBMS

Website

www.cockroachlabs.com

www.openqm.com

Technical documentation

www.cockroachlabs.com/docs

www.openqm.com/support/documentation

Developer

Cockroach Labs

Martin Phillips

Initial release

2015

1993

Current release

21.1.2, June 2021

3.4-12

License

Commercial or Open Source

Open Source

Apache 2.0, commercial license available

Open Source

GPLv2, extended commercial license available

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

CockroachDB: A cloud-native, distributed SQL database designed for speed, scale, and survival. Get started for free today with a fully-managed CockroachDB cluster -- leave operations behind and get your app to market faster.

Implementation language

Server operating systems

Linux
macOS
Windows

AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows

Data scheme

dynamic schema

yes

with some exceptions

Typing

predefined data types such as float or date

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

Secondary indexes

yes

SQL

Support of SQL

yes, wire compatible with PostgreSQL

APIs and other access methods

JDBC

Supported programming languages

C#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust

.Net
Basic
C
Java
Objective C
PHP
Python

Server-side scripts

Stored procedures

yes

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

horizontal partitioning (by key range)

all tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFT

yes

Replication methods

Methods for redundantly storing data on multiple nodes

Multi-source replication using RAFT

yes

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

ACID

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

User concepts

Access control

Role-based access control

Access rights can be defined down to the item level

More information provided by the system vendor

Specific characteristics

CockroachDB is a cloud-native, distributed SQL database architected for modern applications....
» more

Competitive advantages

- EFFORTLESS SCALE: Scale your applications, not operational complexity. CockroachDB...
» more

Typical application scenarios

System of record (financial ledger, inventory management, transaction record), identity...
» more

Key customers

Comcast, DoorDash, Mythical Games, Norfolk Southern, LUSH, Bose, Shipt, Bitski, Five9,...
» more

Market metrics

8K+ long-running clusters 25K+ CockroachDB self-hosted clusters 75K+ CockroachDB...
» more

Licensing and pricing models

- Apache 2.0 for core features released up to and including the 19.1 release - Time-limited...
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources

Recent citations in the news

Finleap goes cloud-native with the help of CockroachDB
23 March 2023, SiliconANGLE News

The Distance from Data to You in Edge Computing
19 March 2023, The New Stack

CockroachDB brings user-defined functions to distributed SQL
8 December 2022, TechTarget

Cockroach Labs debuts serverless edition of its popular ...
21 September 2022, SiliconANGLE News

Database Futures with a Cockroach Labs Co-Founder
27 January 2023, Datanami

provided by Google News

OpenQM
3 June 2018, dbdb.io

OpenQM Database | Bundled with AccuTerm | High Performance Database
2 June 2020, uniware.com.au

Zumasys Acquires Total Computing Solutions
5 May 2020, zumasys.com

Revision OpenQM
29 March 2021, dbdb.io

mvbasic/Extension Guide.md at develop · mvextensions/mvbasic
17 December 2019, github.com

provided by Google News

Job opportunities

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