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DBMS > CockroachDB vs. HyperSQL vs. Oracle Coherence vs. Stardog

System Properties Comparison CockroachDB vs. HyperSQL vs. Oracle Coherence vs. Stardog

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Editorial information provided by DB-Engines
NameCockroachDB  Xexclude from comparisonHyperSQL infoalso known as HSQLDB  Xexclude from comparisonOracle Coherence  Xexclude from comparisonStardog  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.Multithreaded, transactional RDBMS written in Java infoalso known as HSQLDBOracles in-memory data grid solutionEnterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualization
Primary database modelRelational DBMSRelational DBMSKey-value storeGraph DBMS
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score6.15
Rank#55  Overall
#33  Relational DBMS
Score3.49
Rank#87  Overall
#47  Relational DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Score2.02
Rank#123  Overall
#11  Graph DBMS
#6  RDF stores
Websitewww.cockroachlabs.comhsqldb.orgwww.oracle.com/­java/­coherencewww.stardog.com
Technical documentationwww.cockroachlabs.com/­docshsqldb.org/­web/­hsqlDocsFrame.htmldocs.oracle.com/­en/­middleware/­standalone/­coherencedocs.stardog.com
DeveloperCockroach LabsOracleStardog-Union
Initial release2015200120072010
Current release23.1.1, May 20232.7.2, June 202314.1, August 20237.3.0, May 2020
License infoCommercial or Open SourceOpen Source infoApache 2.0, commercial license availableOpen Source infobased on BSD licensecommercialcommercial info60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/students
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGoJavaJavaJava
Server operating systemsLinux
macOS
Windows
All OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modesAll OS with a Java VMLinux
macOS
Windows
Data schemedynamic schemayesschema-freeschema-free and OWL/RDFS-schema support
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.nononono infoImport/export of XML data possible
Secondary indexesyesyesnoyes infosupports real-time indexing in full-text and geospatial
SQL infoSupport of SQLyes, wire compatible with PostgreSQLyesnoYes, compatible with all major SQL variants through dedicated BI/SQL Server
APIs and other access methodsJDBCHTTP API infoJDBC via HTTP
JDBC
ODBC
JCache
JPA
RESTful HTTP API
GraphQL query language
HTTP API
Jena RDF API
OWL
RDF4J API
Sesame REST HTTP Protocol
SNARL
SPARQL
Spring Data
Stardog Studio
TinkerPop 3
Supported programming languagesC#
C++
Clojure
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Rust
All languages supporting JDBC/ODBC
Java
.Net
C++
Java
.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
Server-side scripts infoStored proceduresnoJava, SQLnouser defined functions and aggregates, HTTP Server extensions in Java
Triggersnoyesyes infoLive Eventsyes infovia event handlers
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 RAFTnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication using RAFTnoneyes, with selectable consistency levelMulti-source replication in HA-Cluster
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency in HA-Cluster
Foreign keys infoReferential integrityyesyesnoyes inforelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDconfigurableACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesyes
User concepts infoAccess controlRole-based access controlfine grained access rights according to SQL-standardauthentification to access the cache via certificates or http basic authenticationAccess rights for users and roles

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More resources
CockroachDBHyperSQL infoalso known as HSQLDBOracle CoherenceStardog
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