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DBMS > chDB vs. Realm vs. StarRocks

System Properties Comparison chDB vs. Realm vs. StarRocks

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Editorial information provided by DB-Engines
NamechDB  Xexclude from comparisonRealm  Xexclude from comparisonStarRocks  Xexclude from comparison
DescriptionAn embedded SQL OLAP Engine powered by ClickHouseA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataAn open source, high-performance columnar analytical database that enables real-time, multi-dimensional, and highly concurrent data analytics infoForked from Apache Doris
Primary database modelRelational DBMSDocument storeRelational DBMS
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.08
Rank#345  Overall
#149  Relational DBMS
Score7.12
Rank#48  Overall
#8  Document stores
Score1.07
Rank#176  Overall
#80  Relational DBMS
Websitegithub.com/­chdb-io/­chdbrealm.iowww.starrocks.io
Technical documentationdoc.chdb.iorealm.io/­docsdocs.starrocks.io/­en-us/­latest/­introduction/­StarRocks_intro
DeveloperRealm, acquired by MongoDB in May 2019The Linux Foundation infosince Feb 2023
Initial release202320142020
Current release3.3, June 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open SourceOpen 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 languageC++, Java
Server operating systemsserver-lessAndroid
Backend: server-less
iOS
Windows
Linux
Data schemeyesyes
Typing infopredefined data types such as float or dateyesyes
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.nono
Secondary indexesyesyes
SQL infoSupport of SQLClose to ANSI SQL (SQL/JSON + extensions)noyes
APIs and other access methodsJDBC
MySQL protocol
Supported programming languagesBun
C
C++
Go
JavaScript (Node.js)
Python
Rust
.Net
Java infowith Android only
Objective-C
React Native
Swift
Java
Server-side scripts infoStored proceduresno inforuns within the applications so server-side scripts are unnecessaryuser defined functions
Triggersyes infoChange Listenersno
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioning (by range and hash)
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoIn-Memory realmno
User concepts infoAccess controlyesRole based access control and fine grained access rights

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More resources
chDBRealmStarRocks
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