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DBMS > chDB vs. FeatureBase vs. Realm

System Properties Comparison chDB vs. FeatureBase vs. Realm

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Editorial information provided by DB-Engines
NamechDB  Xexclude from comparisonFeatureBase  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionAn embedded SQL OLAP Engine powered by ClickHouseReal-time database platform that powers real-time analytics and machine learning applications by simultaneously executing low-latency, high-throughput, and highly concurrent workloads.A DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelRelational DBMSRelational DBMSDocument store
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
Score0.23
Rank#304  Overall
#136  Relational DBMS
Score7.12
Rank#48  Overall
#8  Document stores
Websitegithub.com/­chdb-io/­chdbwww.featurebase.comrealm.io
Technical documentationdoc.chdb.iodocs.featurebase.comrealm.io/­docs
DeveloperMolecula and Pilosa Open Source ContributorsRealm, acquired by MongoDB in May 2019
Initial release202320172014
Current release2022, May 2022
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGo
Server operating systemsserver-lessLinux
macOS
Android
Backend: server-less
iOS
Windows
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 indexesnoyes
SQL infoSupport of SQLClose to ANSI SQL (SQL/JSON + extensions)SQL queriesno
APIs and other access methodsgRPC
JDBC
Kafka Connector
ODBC
Supported programming languagesBun
C
C++
Go
JavaScript (Node.js)
Python
Rust
Java
Python
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresno inforuns within the applications so server-side scripts are unnecessary
Triggersnoyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes, using Linux fsyncyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoIn-Memory realm
User concepts infoAccess controlyes

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