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DBMS > LevelDB vs. Memgraph vs. RethinkDB

System Properties Comparison LevelDB vs. Memgraph vs. RethinkDB

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Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonMemgraph  Xexclude from comparisonRethinkDB  Xexclude from comparison
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesA hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleDBMS for the Web with a mechanism to push updated query results to applications in realtime.
Primary database modelKey-value storeGraph DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.38
Rank#91  Overall
#18  Key-value stores
Score0.13
Rank#292  Overall
#26  Graph DBMS
Score4.23
Rank#78  Overall
#13  Document stores
Websitegithub.com/­google/­leveldbmemgraph.comrethinkdb.com
Technical documentationgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mddocs.memgraph.comrethinkdb.com/­docs
DeveloperGoogleMemgraph LtdThe Linux Foundation infosince July 2017
Initial release201120172009
Current release1.22, May 20192.4.0, December 2019
License infoCommercial or Open SourceOpen Source infoBSDcommercial infoFree license availableOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C and C++C++
Server operating systemsIllumos
Linux
OS X
Windows
LinuxLinux
OS X
Windows
Data schemeschema-freeschema-free and schema-optionalschema-free
Typing infopredefined data types such as float or datenoyesyes infostring, binary, float, bool, date, geometry
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
SQL infoSupport of SQLnonono
APIs and other access methodsBolt protocol
Cypher query language
Supported programming languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
Server-side scripts infoStored proceduresno
TriggersnoClient-side triggers through changefeeds
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infodynamic graph partitioningSharding inforange based
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication using RAFTSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes inforelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infowith snapshot isolationAtomic single-document operations
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes infoMVCC based
Durability infoSupport for making data persistentyes infowith automatic compression on writesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlnoUsers, roles and permissionsyes infousers and table-level permissions

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LevelDBMemgraphRethinkDB
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