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DBMS > EXASOL vs. LMDB

System Properties Comparison EXASOL vs. LMDB

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonLMDB  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.A high performant, light-weight, embedded key-value database library
Primary database modelRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.53
Rank#93  Overall
#47  Relational DBMS
Score3.27
Rank#98  Overall
#19  Key-value stores
Websitewww.exasol.comsymas.com/­lmdb
Technical documentationwww.exasol.com/­en/­resources
DeveloperExasolSymas
Initial release20002011
Current release0.9.26, August 2020
License infoCommercial or Open SourcecommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyes
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 indexesyesno
SQL infoSupport of SQLyesno
APIs and other access methods.Net
JDBC
ODBC
WebSocket
Supported programming languagesJava
Lua
Python
R
C
Server-side scripts infoStored proceduresuser defined functionsno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardno

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More resources
EXASOLLMDB
Recent citations in the news

Exasol and Nuqleous Partner to Bring Ultimate Data Analytics to Retail and Consumer Product Companies
21 October 2020, Yahoo Finance

Exasol and Pyramid Analytics Join Forces to Put the End-User Experience Front and Center
1 October 2020, Business Wire

Stale Data Has No Smell — But Still Leaves A Bad Taste
1 October 2020, Forbes

Exasol Research Finds 58% of Organizations Make Decisions Based on Outdated Data
29 September 2020, Business Wire

Exasol Research Finds 58 Percent of Organizations Make Decisions Based on Outdated Data
5 October 2020, TDWI

provided by Google News

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

Interview with RavenDB Founder Oren Eini
31 August 2020, InfoQ.com

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

ActorDB: an alternative view of a distributed database
15 April 2016, opensource.com

Why local state is a fundamental primitive in stream processing
31 July 2014, O'Reilly Radar

provided by Google News

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