DB-EnginesInfluxDB: Focus on building software with an easy-to-use serverless, scalable time series platformEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > LMDB vs. Quasardb vs. Valentina Server vs. VelocityDB

System Properties Comparison LMDB vs. Quasardb vs. Valentina Server vs. VelocityDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonQuasardb  Xexclude from comparisonValentina Server  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionA high performant, light-weight, embedded key-value database libraryDistributed, high-performance timeseries databaseObject-relational database and reports serverA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelKey-value storeTime Series DBMSRelational DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.43
Rank#122  Overall
#23  Key-value stores
Score0.18
Rank#325  Overall
#28  Time Series DBMS
Score0.43
Rank#269  Overall
#126  Relational DBMS
Score0.16
Rank#331  Overall
#35  Graph DBMS
#17  Object oriented DBMS
Websitewww.symas.com/­symas-embedded-database-lmdbquasardb.netwww.valentina-db.netvelocitydb.com
Technical documentationdoc.quasar.ai/­mastervalentina-db.com/­docs/­dokuwiki/­v5/­doku.phpvelocitydb.com/­UserGuide
DeveloperSymasquasardbParadigma SoftwareVelocityDB Inc
Initial release2011200919992011
Current release0.9.29, March 20213.13.3, April 20225.7.57.x
License infoCommercial or Open SourceOpen Sourcecommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensescommercialcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC++C#
Server operating systemsBSD
Linux
OS X
Windows
Linux
OS X
Windows
Any that supports .NET
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyes infointeger and binaryyesyes
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 indexesnoyes infowith tagsyesyes
SQL infoSupport of SQLnoSQL-like query languageyesno
APIs and other access methodsHTTP APIODBC.Net
Supported programming languagesC.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
.Net
C
C#
C++
Objective-C
PHP
Ruby
Visual Basic
Visual Basic.NET
.Net
Server-side scripts infoStored proceduresnonoyesno
TriggersnonoyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infoconsistent hashingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnowith Hadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoby using LevelDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoTransient modeyesyes
User concepts infoAccess controlnoCryptographically strong user authentication and audit trailfine grained access rights according to SQL-standardBased on Windows Authentication

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
LMDBQuasardbValentina ServerVelocityDB
Recent citations in the news

Akamai launches managed database service – Blocks and Files
25 April 2022, Blocks and Files

The Lightning Memory-mapped Database
2 March 2016, InfoQ.com

Jaxon Repp on HarperDB Distributed Database Platform
23 March 2022, InfoQ.com

Predictive blood biomarkers of sheep pregnancy and litter size | Scientific Reports
20 June 2022, Nature.com

Samsung Announces Standards-Compliant Key-Value SSD Prototype
5 September 2019, AnandTech

provided by Google News

ICG to Honor Director Lawrence Sher at 24th Annual ECA Awards
2 October 2022, Broadway World

ShadowPad Threat Actors Return With Fresh Government Strikes, Updated Tools
13 September 2022, DARKReading

Blue-Chip Companies Prove Their Value in 2022
12 September 2022, ETFdb.com

Quasar Science Double Rainbow and Rainbow 2 RGBX LED Lights – Review
21 February 2022, CineD

Quasar Science Introduces Image-Based Lighting Solution for Virtual Studio Production
13 April 2022, CineD

provided by Google News

A Look at Valentina
18 April 2014, SitePoint

provided by Google News

Job opportunities

Senior SAP Basis and Security Administrator
Faraday Future, Gardena, CA

Senior SAP Basis and Security Administrator
Faraday Future, Inc., Gardena, CA

jobs by Indeed



Share this page

Featured Products

Neo4j logo

Neo4j NODES 2022
Free online conference for developers and data scientists.
November 16/17 2022.
Register now for free!

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Redis logo

The world’s most loved real‑time data platform.
Try free

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 80GB free.

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Present your product here