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DBMS > AlaSQL vs. Datomic vs. Oracle Coherence vs. Realm vs. Rockset

System Properties Comparison AlaSQL vs. Datomic vs. Oracle Coherence vs. Realm vs. Rockset

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonDatomic  Xexclude from comparisonOracle Coherence  Xexclude from comparisonRealm  Xexclude from comparisonRockset  Xexclude from comparison
DescriptionJavaScript DBMS libraryDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityOracles in-memory data grid solutionA 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 RocksDB
Primary database modelDocument store
Relational DBMS
Relational DBMSKey-value storeDocument storeDocument store
Secondary database modelsRelational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.46
Rank#260  Overall
#40  Document stores
#121  Relational DBMS
Score1.59
Rank#150  Overall
#69  Relational DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Score7.60
Rank#52  Overall
#9  Document stores
Score0.79
Rank#211  Overall
#35  Document stores
Websitealasql.orgwww.datomic.comwww.oracle.com/­java/­coherencerealm.iorockset.com
Technical documentationgithub.com/­AlaSQL/­alasqldocs.datomic.comdocs.oracle.com/­en/­middleware/­standalone/­coherencerealm.io/­docsdocs.rockset.com
DeveloperAndrey Gershun & Mathias R. WulffCognitectOracleRealm, acquired by MongoDB in May 2019Rockset
Initial release20142012200720142019
Current release1.0.6735, June 202314.1, August 2023
License infoCommercial or Open SourceOpen Source infoMIT-Licensecommercial infolimited edition freecommercialOpen 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 languageJavaScriptJava, ClojureJavaC++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)All OS with a Java VMAll OS with a Java VMAndroid
Backend: server-less
iOS
Windows
hosted
Data schemeschema-freeyesschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesyesyesdynamic typing
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 infoingestion from XML files supported
Secondary indexesnoyesnoyesall fields are automatically indexed
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.nononoRead-only SQL queries, including JOINs
APIs and other access methodsJavaScript APIRESTful HTTP APIJCache
JPA
RESTful HTTP API
HTTP REST
Supported programming languagesJavaScriptClojure
Java
.Net
C++
Java
.Net
Java infowith Android only
Objective-C
React Native
Swift
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnoyes infoTransaction Functionsnono inforuns within the applications so server-side scripts are unnecessaryno
TriggersyesBy using transaction functionsyes infoLive Eventsyes infoChange Listenersno
Partitioning methods infoMethods for storing different data on different nodesnonenone infoBut extensive use of caching in the application peersShardingnoneAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone infoBut extensive use of caching in the application peersyes, with selectable consistency levelnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesnononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDconfigurableACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes infooptionallyyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes inforecommended only for testing and developmentyesyes infoIn-Memory realm
User concepts infoAccess controlnonoauthentification to access the cache via certificates or http basic authenticationyesAccess rights for users and organizations can be defined via Rockset console

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More resources
AlaSQLDatomicOracle CoherenceRealmRockset
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