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DBMS > CockroachDB vs. OushuDB vs. SQL.JS vs. VoltDB

System Properties Comparison CockroachDB vs. OushuDB vs. SQL.JS vs. VoltDB

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Editorial information provided by DB-Engines
NameCockroachDB  Xexclude from comparisonOushuDB  Xexclude from comparisonSQL.JS  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionCockroachDB 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.A data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningPort of SQLite to JavaScriptDistributed In-Memory NewSQL RDBMS infoUsed for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory
Primary database modelRelational DBMSRelational DBMSRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.74
Rank#67  Overall
#36  Relational DBMS
Score0.05
Rank#357  Overall
#151  Relational DBMS
Score0.53
Rank#246  Overall
#115  Relational DBMS
Score1.38
Rank#156  Overall
#72  Relational DBMS
Websitewww.cockroachlabs.comwww.oushu.com/­product/­oushuDBsql.js.orgwww.voltdb.com
Technical documentationwww.cockroachlabs.com/­docswww.oushu.com/­documentationsql.js.org/­documentation/­index.htmldocs.voltdb.com
DeveloperCockroach LabsOushuAlon Zakai infoenhancements implemented by othersVoltDB Inc.
Initial release201520122010
Current release24.1.0, May 20244.0.1, August 202011.3, April 2022
License infoCommercial or Open SourceOpen Source infoApache 2.0, commercial license availablecommercialOpen SourceOpen Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoJavaScriptJava, C++
Server operating systemsLinux
macOS
Windows
Linuxserver-less, requires a JavaScript environment (browser, Node.js)Linux
OS X infofor development
Data schemedynamic schemayesyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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.nono
Secondary indexesyesyesyes
SQL infoSupport of SQLyes, wire compatible with PostgreSQLFull-featured ANSI SQL supportyes infoSQL-92 is not fully supportedyes infoonly a subset of SQL 99
APIs and other access methodsJDBCJDBC
ODBC
JavaScript APIJava API
JDBC
RESTful HTTP/JSON API
Supported programming languagesC#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
C
C++
JavaScriptC#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresnoyesnoJava
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning (by key range) infoall tables are translated to an ordered KV store and then broken down into 64MB ranges, which are then used as replicas in RAFTyesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication using RAFTnoneMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistencynone
Foreign keys infoReferential integrityyesyesno infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyesyesno infoexcept by serializing a db to a fileyes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlRole-based access controlKerberos, SSL and role based accessnoUsers and roles with access to stored procedures

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More resources
CockroachDBOushuDBSQL.JSVoltDB
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