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DBMS > LevelDB vs. LokiJS vs. Microsoft Azure SQL Database vs. Newts vs. NuoDB

System Properties Comparison LevelDB vs. LokiJS vs. Microsoft Azure SQL Database vs. Newts vs. NuoDB

Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonLokiJS  Xexclude from comparisonMicrosoft Azure SQL Database infoformerly SQL Azure  Xexclude from comparisonNewts  Xexclude from comparisonNuoDB  Xexclude from comparison
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesIn-memory JavaScript DBMSDatabase as a Service offering with high compatibility to Microsoft SQL ServerTime Series DBMS based on CassandraNuoDB is a webscale distributed database that supports SQL and ACID transactions
Primary database modelKey-value storeDocument storeRelational DBMSTime Series DBMSRelational DBMS
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.25
Rank#115  Overall
#19  Key-value stores
Score0.49
Rank#260  Overall
#42  Document stores
Score76.78
Rank#16  Overall
#11  Relational DBMS
Score0.07
Rank#375  Overall
#41  Time Series DBMS
Score0.94
Rank#197  Overall
#92  Relational DBMS
Websitegithub.com/­google/­leveldbgithub.com/­techfort/­LokiJSazure.microsoft.com/­en-us/­products/­azure-sql/­databaseopennms.github.io/­newtswww.3ds.com/­nuodb-distributed-sql-database
Technical documentationgithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdtechfort.github.io/­LokiJSdocs.microsoft.com/­en-us/­azure/­azure-sqlgithub.com/­OpenNMS/­newts/­wikidoc.nuodb.com
DeveloperGoogleMicrosoftOpenNMS GroupDassault Systèmes infooriginally NuoDB, Inc.
Initial release20112014201020142013
Current release1.23, February 2021V12
License infoCommercial or Open SourceOpen Source infoBSDOpen SourcecommercialOpen Source infoApache 2.0commercial infolimited edition free
Cloud-based only infoOnly available as a cloud servicenonoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaScriptC++JavaC++
Server operating systemsIllumos
Linux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)hostedLinux
OS X
Windows
hosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
Data schemeschema-freeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or datenonoyesyesyes
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.nonoyesnono
Secondary indexesnoyes infovia viewsyesnoyes
SQL infoSupport of SQLnonoyesnoyes
APIs and other access methodsJavaScript APIADO.NET
JDBC
ODBC
HTTP REST
Java API
ADO.NET
JDBC
ODBC
Supported programming languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
JavaScript.Net
C#
Java
JavaScript (Node.js)
PHP
Python
Ruby
Java.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Server-side scripts infoStored proceduresnoView functions in JavaScriptTransact SQLnoJava, SQL
Triggersnoyesyesnoyes
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding infobased on Cassandradata is dynamically stored/cached on the nodes where it is read/written
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneyes, with always 3 replicas availableselectable replication factor infobased on Cassandrayes infoManaged transparently by NuoDB
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynonoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possibleACIDnoACID infotunable commit protocol
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infoMVCC
Durability infoSupport for making data persistentyes infowith automatic compression on writesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes infoTemporary table
User concepts infoAccess controlnonofine grained access rights according to SQL-standardnoStandard SQL roles/ privileges, Administrative Users

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More resources
LevelDBLokiJSMicrosoft Azure SQL Database infoformerly SQL AzureNewtsNuoDB
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