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DBMS > ITTIA vs. openGemini vs. Quasardb

System Properties Comparison ITTIA vs. openGemini vs. Quasardb

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Editorial information provided by DB-Engines
NameITTIA  Xexclude from comparisonopenGemini  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionEdge Time Series DBMS with Real-Time Stream ProcessingAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityDistributed, high-performance timeseries database
Primary database modelTime Series DBMSTime Series DBMSTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.45
Rank#254  Overall
#21  Time Series DBMS
Score0.04
Rank#366  Overall
#39  Time Series DBMS
Score0.14
Rank#331  Overall
#28  Time Series DBMS
Websitewww.ittia.comwww.opengemini.org
github.com/­openGemini
quasar.ai
Technical documentationdocs.opengemini.org/­guidedoc.quasar.ai/­master
DeveloperITTIA L.L.C.Huawei and openGemini communityquasardb
Initial release200720222009
Current release8.71.1, July 20233.14.1, January 2024
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++GoC++
Server operating systemsLinux
Windows
Linux
Windows
BSD
Linux
OS X
Windows
Data schemeFixed schemaschema-freeschema-free
Typing infopredefined data types such as float or dateFloat/Blob/Integer/String/Unicode/Date/Time/Timestamp/IntervalInteger, Float, Boolean, Stringyes infointeger and binary
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.nonono
Secondary indexesyesyesyes infowith tags
SQL infoSupport of SQLyesSQL-like query languageSQL-like query language
APIs and other access methodsJDBC
ODBC
RESTful HTTP API
WebSocket
HTTP RESTHTTP API
Supported programming languagesC
C++
JavaScript (Node.js)
Python
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresyesnono
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesnoACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infoTransient mode
User concepts infoAccess controlDatabase file passwordsAdministrators and common users accountsCryptographically strong user authentication and audit trail

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More resources
ITTIAopenGeminiQuasardb
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