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DBMS > LMDB vs. QuestDB vs. SQLite

System Properties Comparison LMDB vs. QuestDB vs. SQLite

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Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonQuestDB  Xexclude from comparisonSQLite  Xexclude from comparison
DescriptionA high performant, light-weight, embedded key-value database libraryA high performance open source SQL database for time series dataWidely used embeddable, in-process RDBMS
Primary database modelKey-value storeTime Series DBMSRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.92
Rank#121  Overall
#20  Key-value stores
Score2.83
Rank#95  Overall
#6  Time Series DBMS
Score101.91
Rank#10  Overall
#7  Relational DBMS
Websitewww.symas.com/­symas-embedded-database-lmdbquestdb.iowww.sqlite.org
Technical documentationwww.lmdb.tech/­docquestdb.io/­docswww.sqlite.org/­docs.html
DeveloperSymasQuestDB Technology IncDwayne Richard Hipp
Initial release201120142000
Current release0.9.32, January 20243.46.1  (13 August 2024), August 2024
License infoCommercial or Open SourceOpen SourceOpen Source infoApache 2.0Open Source infoPublic Domain
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCJava (Zero-GC), C++, RustC
Server operating systemsLinux
Unix
Windows
Linux
macOS
Windows
server-less
Data schemeschema-freeyes infoschema-free via InfluxDB Line Protocolyes infodynamic column types
Typing infopredefined data types such as float or dateyesyes infonot rigid because of 'dynamic typing' concept.
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 indexesnonoyes
SQL infoSupport of SQLnoSQL with time-series extensionsyes infoSQL-92 is not fully supported
APIs and other access methodsHTTP REST
InfluxDB Line Protocol (TCP/UDP)
JDBC
PostgreSQL wire protocol
ADO.NET infoinofficial driver
JDBC infoinofficial driver
ODBC infoinofficial driver
Supported programming languages.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
C infoPostgreSQL driver
C++
Go
Java
JavaScript (Node.js)
Python
Rust infoover HTTP
Actionscript
Ada
Basic
C
C#
C++
D
Delphi
Forth
Fortran
Haskell
Java
JavaScript
Lisp
Lua
MatLab
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
R
Ruby
Scala
Scheme
Smalltalk
Tcl
Server-side scripts infoStored proceduresnonono
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioning (by timestamps)none
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSource-replica replication with eventual consistencynone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID for single-table writesACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes infovia file-system locks
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.yesyes infothrough memory mapped filesyes
User concepts infoAccess controlnono
More information provided by the system vendor
LMDBQuestDBSQLite
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16 August 2024

The story of our SAMPLE BY enhancements
7 August 2024

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LMDBQuestDBSQLite
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