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DBMS > AlaSQL vs. Realm vs. Rockset vs. SpaceTime vs. Stardog

System Properties Comparison AlaSQL vs. Realm vs. Rockset vs. SpaceTime vs. Stardog

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonRealm  Xexclude from comparisonRockset  Xexclude from comparisonSpaceTime  Xexclude from comparisonStardog  Xexclude from comparison
DescriptionJavaScript DBMS libraryA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataA scalable, reliable search and analytics service in the cloud, built on RocksDBSpaceTime is a spatio-temporal DBMS with a focus on performance.Enterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualization
Primary database modelDocument store
Relational DBMS
Document storeDocument storeSpatial DBMSGraph DBMS
RDF store
Secondary database modelsRelational DBMS
Search engine
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.46
Rank#260  Overall
#40  Document stores
#121  Relational DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Score0.79
Rank#211  Overall
#35  Document stores
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Score2.02
Rank#123  Overall
#11  Graph DBMS
#6  RDF stores
Websitealasql.orgrealm.iorockset.comwww.mireo.com/­spacetimewww.stardog.com
Technical documentationgithub.com/­AlaSQL/­alasqlrealm.io/­docsdocs.rockset.comdocs.stardog.com
DeveloperAndrey Gershun & Mathias R. WulffRealm, acquired by MongoDB in May 2019RocksetMireoStardog-Union
Initial release20142014201920202010
Current release7.3.0, May 2020
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Sourcecommercialcommercialcommercial info60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/students
Cloud-based only infoOnly available as a cloud servicenonoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptC++C++Java
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Android
Backend: server-less
iOS
Windows
hostedLinuxLinux
macOS
Windows
Data schemeschema-freeyesschema-freeyesschema-free and OWL/RDFS-schema support
Typing infopredefined data types such as float or datenoyesdynamic typingyesyes
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 infoingestion from XML files supportednono infoImport/export of XML data possible
Secondary indexesnoyesall fields are automatically indexednoyes infosupports real-time indexing in full-text and geospatial
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.noRead-only SQL queries, including JOINsA subset of ANSI SQL is implementedYes, compatible with all major SQL variants through dedicated BI/SQL Server
APIs and other access methodsJavaScript APIHTTP RESTRESTful HTTP APIGraphQL query language
HTTP API
Jena RDF API
OWL
RDF4J API
Sesame REST HTTP Protocol
SNARL
SPARQL
Spring Data
Stardog Studio
TinkerPop 3
Supported programming languagesJavaScript.Net
Java infowith Android only
Objective-C
React Native
Swift
Go
Java
JavaScript (Node.js)
Python
C#
C++
Python
.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
Server-side scripts infoStored proceduresnono inforuns within the applications so server-side scripts are unnecessarynonouser defined functions and aggregates, HTTP Server extensions in Java
Triggersyesyes infoChange Listenersnonoyes infovia event handlers
Partitioning methods infoMethods for storing different data on different nodesnonenoneAutomatic shardingFixed-grid hypercubesnone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneyesReal-time block device replication (DRBD)Multi-source replication in HA-Cluster
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency in HA-Cluster
Foreign keys infoReferential integrityyesnononoyes inforelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDnonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoIn-Memory realmnoyes
User concepts infoAccess controlnoyesAccess rights for users and organizations can be defined via Rockset consoleyesAccess rights for users and roles

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More resources
AlaSQLRealmRocksetSpaceTimeStardog
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