DBMS > LMDB vs. OpenTenBase vs. SwayDB

System Properties Comparison LMDB vs. OpenTenBase vs. SwayDB

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Editorial information provided by DB-Engines

Name

Description

A high performant, light-weight, embedded key-value database library

An enterprise-level distributed HTAP open source database based on PostgreSQL

An embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storage

Primary database model

Key-value store

Relational DBMS

Key-value store

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	1.75
Rank	#127	Overall
	#20	Key-value stores

Score	0.00
Rank	#382	Overall
	#155	Relational DBMS

Score	0.00
Rank	#381	Overall
	#61	Key-value stores

Website

www.symas.com/symas-embedded-database-lmdb

github.com/OpenTenBase/OpenTenBase
www.opentenbase.org

swaydb.simer.au

Technical documentation

www.lmdb.tech/doc

docs.opentenbase.org
docs.opentenbase.org/en

Developer

Symas

OpenAtom Foundation, previously Tencent

Simer Plaha

Initial release

2011

2018

Current release

0.9.32, January 2024

2.5, January 2024

License

Commercial or Open Source

Open Source

BSD-3

Open Source

GNU Affero GPL V3.0

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Implementation language

Scala

Server operating systems

Linux
Unix
Windows

Linux

Data scheme

schema-free

yes

schema-free

Typing

predefined data types such as float or date

yes

XML support

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

Secondary indexes

yes

SQL

Support of SQL

yes

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
Go
Java
PHP
Python

Java
Kotlin
Scala

Server-side scripts

Stored procedures

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

none

Sharding

none

Replication methods

Methods for redundantly storing data on multiple nodes

none

yes

none

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

ACID

Atomic execution of operations

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

yes

User concepts

Access control

Access rights for users, groups and roles according to SQL-standard

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