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DBMS > EJDB vs. Ingres vs. openGemini

System Properties Comparison EJDB vs. Ingres vs. openGemini

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonIngres  Xexclude from comparisonopenGemini  Xexclude from comparison
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Well established RDBMSAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalability
Primary database modelDocument storeRelational DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.31
Rank#296  Overall
#44  Document stores
Score3.80
Rank#82  Overall
#44  Relational DBMS
Score0.09
Rank#361  Overall
#37  Time Series DBMS
Websitegithub.com/­Softmotions/­ejdbwww.actian.com/­databases/­ingreswww.opengemini.org
github.com/­openGemini
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mddocs.actian.com/­ingresdocs.opengemini.org/­guide
DeveloperSoftmotionsActian CorporationHuawei and openGemini community
Initial release20121974 infooriginally developed at University Berkely in early 1970s2022
Current release11.2, May 20221.1, July 2023
License infoCommercial or Open SourceOpen Source infoGPLv2commercialOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCCGo
Server operating systemsserver-lessAIX
HP Open VMS
HP-UX
Linux
Solaris
Windows
Linux
Windows
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idyesInteger, Float, Boolean, String
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.no infobut tools for importing/exporting data from/to XML-files availableno
Secondary indexesnoyesyes
SQL infoSupport of SQLnoyesSQL-like query language
APIs and other access methodsin-process shared library.NET Client API
JDBC
ODBC
proprietary protocol (OpenAPI)
HTTP REST
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresnoyesno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioning infoIngres Star to access multiple databases simultaneouslySharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneIngres Replicatoryes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possibleyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyes infoMVCCyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlnofine grained access rights according to SQL-standardAdministrators and common users accounts

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More resources
EJDBIngresopenGemini
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