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DBMS > LokiJS vs. Microsoft Azure Cosmos DB vs. MySQL vs. ObjectBox vs. Quasardb

System Properties Comparison LokiJS vs. Microsoft Azure Cosmos DB vs. MySQL vs. ObjectBox vs. Quasardb

Editorial information provided by DB-Engines
NameLokiJS  Xexclude from comparisonMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDB  Xexclude from comparisonMySQL  Xexclude from comparisonObjectBox  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionIn-memory JavaScript DBMSGlobally distributed, horizontally scalable, multi-model database serviceWidely used open source RDBMSLightweight, fast on-device database for IoT, Mobile and Embedded devices, persisting and synchronising objects and vectorsDistributed, high-performance timeseries database
Primary database modelDocument storeDocument store
Graph DBMS
Key-value store
Wide column store
Relational DBMS infoKey/Value like access via memcached APIObject oriented DBMS
Vector DBMS
Time Series DBMS
Secondary database modelsSpatial DBMSDocument store
Spatial DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.44
Rank#256  Overall
#40  Document stores
Score24.97
Rank#27  Overall
#4  Document stores
#2  Graph DBMS
#3  Key-value stores
#3  Wide column stores
Score1029.49
Rank#2  Overall
#2  Relational DBMS
Score1.08
Rank#179  Overall
#6  Object oriented DBMS
#9  Vector DBMS
Score0.13
Rank#332  Overall
#28  Time Series DBMS
Websitegithub.com/­techfort/­LokiJSazure.microsoft.com/­services/­cosmos-dbwww.mysql.comgithub.com/­objectbox
objectbox.io
quasar.ai
Technical documentationtechfort.github.io/­LokiJSlearn.microsoft.com/­azure/­cosmos-dbdev.mysql.com/­docdocs.objectbox.iodoc.quasar.ai/­master
DeveloperMicrosoftOracle infosince 2010, originally MySQL AB, then SunObjectBox Limitedquasardb
Initial release20142014199520172009
Current release9.0.0, July 20244.0 (May 2024)3.14.1, January 2024
License infoCommercial or Open SourceOpen SourcecommercialOpen Source infoGPL version 2. Commercial licenses with extended functionallity are availableBindings are released under Apache 2.0 infoApache License 2.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptC and C++C and C++C++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedFreeBSD
Linux
OS X
Solaris
Windows
Android
Any POSIX system
Docker
iOS
Linux
macOS
QNX
Windows
BSD
Linux
OS X
Windows
Data schemeschema-freeschema-freeyesyesschema-free
Typing infopredefined data types such as float or datenoyes infoJSON typesyesyes, plus "flex" map-like typesyes infointeger and binary
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.noyesnono
Secondary indexesyes infovia viewsyes infoAll properties auto-indexed by defaultyesyesyes infowith tags
SQL infoSupport of SQLnoSQL-like query languageyes infowith proprietary extensionsnoSQL-like query language
APIs and other access methodsJavaScript APIDocumentDB API
Graph API (Gremlin)
MongoDB API
RESTful HTTP API
Table API
ADO.NET
JDBC
ODBC
Proprietary native API
Proprietary native APIHTTP API
Supported programming languagesJavaScript.Net
C#
Java
JavaScript
JavaScript (Node.js)
MongoDB client drivers written for various programming languages
Python
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
C
C++
Dart (Flutter)
Go
Java
Kotlin
Python
Swift
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresView functions in JavaScriptJavaScriptyes infoproprietary syntaxnono
TriggersyesJavaScriptyesnono
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infoImplicit feature of the cloud servicehorizontal partitioning, sharding with MySQL Cluster or MySQL FabricnoneSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infoImplicit feature of the cloud serviceMulti-source replication
Source-replica replication
Data sync between devices allowing occasional connected databases to work completely offlineSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsyeswith Hadoop integration infoIntegration with Hadoop/HDInsight on Azure*nonowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneBounded Staleness
Consistent Prefix
Eventual Consistency
Immediate Consistency infoConsistency level configurable on request level
Session Consistency
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes infonot for MyISAM storage engineyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single collection possibleMulti-item ACID transactions with snapshot isolation within a partitionACID infonot for MyISAM storage engineACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes infotable locks or row locks depending on storage engineyesyes
Durability infoSupport for making data persistentyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyesyesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnoyes infoTransient mode
User concepts infoAccess controlnoAccess rights can be defined down to the item levelUsers with fine-grained authorization concept infono user groups or rolesyesCryptographically strong user authentication and audit trail
More information provided by the system vendor
LokiJSMicrosoft Azure Cosmos DB infoformer name was Azure DocumentDBMySQLObjectBoxQuasardb
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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
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