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DBMS > BoltDB vs. Datomic vs. Heroic vs. LokiJS vs. Microsoft Azure Synapse Analytics

System Properties Comparison BoltDB vs. Datomic vs. Heroic vs. LokiJS vs. Microsoft Azure Synapse Analytics

Editorial information provided by DB-Engines
NameBoltDB  Xexclude from comparisonDatomic  Xexclude from comparisonHeroic  Xexclude from comparisonLokiJS  Xexclude from comparisonMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data Warehouse  Xexclude from comparison
DescriptionAn embedded key-value store for Go.Datomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityTime Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchIn-memory JavaScript DBMSElastic, large scale data warehouse service leveraging the broad eco-system of SQL Server
Primary database modelKey-value storeRelational DBMSTime Series DBMSDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.76
Rank#224  Overall
#32  Key-value stores
Score1.76
Rank#145  Overall
#66  Relational DBMS
Score0.57
Rank#250  Overall
#21  Time Series DBMS
Score0.48
Rank#262  Overall
#42  Document stores
Score22.71
Rank#30  Overall
#18  Relational DBMS
Websitegithub.com/­boltdb/­boltwww.datomic.comgithub.com/­spotify/­heroicgithub.com/­techfort/­LokiJSazure.microsoft.com/­services/­synapse-analytics
Technical documentationdocs.datomic.comspotify.github.io/­heroictechfort.github.io/­LokiJSdocs.microsoft.com/­azure/­synapse-analytics
DeveloperCognitectSpotifyMicrosoft
Initial release20132012201420142016
Current release1.0.6735, June 2023
License infoCommercial or Open SourceOpen Source infoMIT Licensecommercial infolimited edition freeOpen Source infoApache 2.0Open Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoJava, ClojureJavaJavaScriptC++
Server operating systemsBSD
Linux
OS X
Solaris
Windows
All OS with a Java VMserver-less, requires a JavaScript environment (browser, Node.js)hosted
Data schemeschema-freeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or datenoyesyesnoyes
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.nonononono
Secondary indexesnoyesyes infovia Elasticsearchyes infovia viewsyes
SQL infoSupport of SQLnonononoyes
APIs and other access methodsRESTful HTTP APIHQL (Heroic Query Language, a JSON-based language)
HTTP API
JavaScript APIADO.NET
JDBC
ODBC
Supported programming languagesGoClojure
Java
JavaScriptC#
Java
PHP
Server-side scripts infoStored proceduresnoyes infoTransaction FunctionsnoView functions in JavaScriptTransact SQL
TriggersnoBy using transaction functionsnoyesno
Partitioning methods infoMethods for storing different data on different nodesnonenone infoBut extensive use of caching in the application peersShardingnoneSharding, horizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone infoBut extensive use of caching in the application peersyesnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyEventual Consistency
Immediate Consistency
noneImmediate Consistency
Foreign keys infoReferential integritynonononono infodocs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraints
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDnono infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes inforecommended only for testing and developmentnoyes
User concepts infoAccess controlnononoyes

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More resources
BoltDBDatomicHeroicLokiJSMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data Warehouse
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