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DBMS > etcd vs. gStore vs. HyperSQL vs. TDSQL for MySQL

System Properties Comparison etcd vs. gStore vs. HyperSQL vs. TDSQL for MySQL

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Editorial information provided by DB-Engines
Nameetcd  Xexclude from comparisongStore  Xexclude from comparisonHyperSQL infoalso known as HSQLDB  Xexclude from comparisonTDSQL for MySQL  Xexclude from comparison
DescriptionA distributed reliable key-value storeA native Graph DBMS to store and maintain very large RDF datasets.Multithreaded, transactional RDBMS written in Java infoalso known as HSQLDBA high-performance distributed database management system with features such as automatic sharding, intelligent operation and maintenance, elastic scalability without downtime, and enterprise-grade security. It is highly compatible with MySQL.
Primary database modelKey-value storeGraph DBMS
RDF store
Relational DBMSRelational DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.03
Rank#54  Overall
#5  Key-value stores
Score0.14
Rank#342  Overall
#34  Graph DBMS
#16  RDF stores
Score3.23
Rank#93  Overall
#48  Relational DBMS
Score0.85
Rank#207  Overall
#97  Relational DBMS
Websiteetcd.io
github.com/­etcd-io/­etcd
en.gstore.cnhsqldb.orgwww.tencentcloud.com/­products/­dcdb
Technical documentationetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
en.gstore.cn/­#/­enDocshsqldb.org/­web/­hsqlDocsFrame.htmlwww.tencentcloud.com/­document/­product/­1042
DeveloperTencent
Initial release201620012013
Current release3.4, August 20191.2, November 20232.7.2, June 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoBSDOpen Source infobased on BSD licensecommercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC++Java
Server operating systemsFreeBSD
Linux
Windows infoexperimental
LinuxAll OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modeshosted
Data schemeschema-freeschema-free and OWL/RDFS-schema supportyesyes
Typing infopredefined data types such as float or datenoyesyesyes
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
Secondary indexesnoyesyes
SQL infoSupport of SQLnonoyesyes
APIs and other access methodsgRPC
JSON over HTTP
HTTP API
SPARQL 1.1
HTTP API infoJDBC via HTTP
JDBC
ODBC
JDBC
ODBC
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
C++
Java
JavaScript (Node.js)
PHP
Python
All languages supporting JDBC/ODBC
Java
C
C#
C++
Java
PHP
Python
Ruby
Server-side scripts infoStored proceduresnoyesJava, SQLyes
Triggersyes, watching key changesyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.noneMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyesACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesno
User concepts infoAccess controlnoUsers, roles and permissions, Role-Based Access Control (RBAC) supportedfine grained access rights according to SQL-standardUsers with fine-grained authorization concept

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More resources
etcdgStoreHyperSQL infoalso known as HSQLDBTDSQL for MySQL
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