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DBMS > chDB vs. HyperSQL vs. LMDB vs. Realm

System Properties Comparison chDB vs. HyperSQL vs. LMDB vs. Realm

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Editorial information provided by DB-Engines
NamechDB  Xexclude from comparisonHyperSQL infoalso known as HSQLDB  Xexclude from comparisonLMDB  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionAn embedded SQL OLAP Engine powered by ClickHouseMultithreaded, transactional RDBMS written in Java infoalso known as HSQLDBA high performant, light-weight, embedded key-value database libraryA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelRelational DBMSRelational DBMSKey-value storeDocument store
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#383  Overall
#158  Relational DBMS
Score3.49
Rank#87  Overall
#47  Relational DBMS
Score1.99
Rank#125  Overall
#21  Key-value stores
Score7.60
Rank#52  Overall
#9  Document stores
Websitegithub.com/­chdb-io/­chdbhsqldb.orgwww.symas.com/­symas-embedded-database-lmdbrealm.io
Technical documentationdoc.chdb.iohsqldb.org/­web/­hsqlDocsFrame.htmlwww.lmdb.tech/­docrealm.io/­docs
DeveloperSymasRealm, acquired by MongoDB in May 2019
Initial release2023200120112014
Current release2.7.2, June 20230.9.32, January 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infobased on BSD licenseOpen SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC
Server operating systemsserver-lessAll OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modesLinux
Unix
Windows
Android
Backend: server-less
iOS
Windows
Data schemeyesschema-freeyes
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.nonono
Secondary indexesyesnoyes
SQL infoSupport of SQLClose to ANSI SQL (SQL/JSON + extensions)yesnono
APIs and other access methodsHTTP API infoJDBC via HTTP
JDBC
ODBC
Supported programming languagesBun
C
C++
Go
JavaScript (Node.js)
Python
Rust
All languages supporting JDBC/ODBC
Java
.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresJava, SQLnono inforuns within the applications so server-side scripts are unnecessary
Triggersyesnoyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesnonenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
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.yesyesyes infoIn-Memory realm
User concepts infoAccess controlfine grained access rights according to SQL-standardnoyes

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More resources
chDBHyperSQL infoalso known as HSQLDBLMDBRealm
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