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DBMS > EJDB vs. OushuDB vs. StarRocks

System Properties Comparison EJDB vs. OushuDB vs. StarRocks

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Editorial information provided by DB-Engines
NameEJDB  Xexclude from comparisonOushuDB  Xexclude from comparisonStarRocks  Xexclude from comparison
DescriptionEmbeddable document-store database library with JSON representation of queries (in MongoDB style)A data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningAn open source, high-performance columnar analytical database that enables real-time, multi-dimensional, and highly concurrent data analytics infoForked from Apache Doris
Primary database modelDocument storeRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.31
Rank#296  Overall
#44  Document stores
Score0.10
Rank#355  Overall
#154  Relational DBMS
Score0.93
Rank#198  Overall
#93  Relational DBMS
Websitegithub.com/­Softmotions/­ejdbwww.oushu.com/­product/­oushuDBwww.starrocks.io
Technical documentationgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdwww.oushu.com/­documentationdocs.starrocks.io/­en-us/­latest/­introduction/­StarRocks_intro
DeveloperSoftmotionsOushuThe Linux Foundation infosince Feb 2023
Initial release20122020
Current release4.0.1, August 20203.3, June 2024
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 languageCC++, Java
Server operating systemsserver-lessLinuxLinux
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyes infostring, integer, double, bool, date, object_idyesyes
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
Secondary indexesnoyesyes
SQL infoSupport of SQLnoFull-featured ANSI SQL supportyes
APIs and other access methodsin-process shared libraryJDBC
ODBC
JDBC
MySQL protocol
Supported programming languagesActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
C
C++
Java
Server-side scripts infoStored proceduresnoyesuser defined functions
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesnoneyeshorizontal partitioning (by range and hash)
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possibleno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
Concurrency infoSupport for concurrent manipulation of datayes infoRead/Write Lockingyesyes
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.no
User concepts infoAccess controlnoKerberos, SSL and role based accessRole based access control and fine grained access rights

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More resources
EJDBOushuDBStarRocks
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