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

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

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonDatomic  Xexclude from comparisonHarperDB  Xexclude from comparisonOracle Coherence  Xexclude from comparisonRockset  Xexclude from comparison
DescriptionJavaScript DBMS libraryDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityUltra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.Oracles in-memory data grid solutionA scalable, reliable search and analytics service in the cloud, built on RocksDB
Primary database modelDocument store
Relational DBMS
Relational DBMSDocument storeKey-value 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
Score0.55
Rank#248  Overall
#38  Document stores
Score1.92
Rank#130  Overall
#22  Key-value stores
Score0.79
Rank#211  Overall
#35  Document stores
Websitealasql.orgwww.datomic.comwww.harperdb.iowww.oracle.com/­java/­coherencerockset.com
Technical documentationgithub.com/­AlaSQL/­alasqldocs.datomic.comdocs.harperdb.io/­docsdocs.oracle.com/­en/­middleware/­standalone/­coherencedocs.rockset.com
DeveloperAndrey Gershun & Mathias R. WulffCognitectHarperDBOracleRockset
Initial release20142012201720072019
Current release1.0.6735, June 20233.1, August 202114.1, August 2023
License infoCommercial or Open SourceOpen Source infoMIT-Licensecommercial infolimited edition freecommercial infofree community edition availablecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJava, ClojureNode.jsJavaC++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)All OS with a Java VMLinux
OS X
All OS with a Java VMhosted
Data schemeschema-freeyesdynamic schemaschema-freeschema-free
Typing infopredefined data types such as float or datenoyesyes infoJSON data typesyesdynamic 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 indexesnoyesyesnoall fields are automatically indexed
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.noSQL-like data manipulation statementsnoRead-only SQL queries, including JOINs
APIs and other access methodsJavaScript APIRESTful HTTP APIJDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
JCache
JPA
RESTful HTTP API
HTTP REST
Supported programming languagesJavaScriptClojure
Java
.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
.Net
C++
Java
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnoyes infoTransaction FunctionsCustom Functions infosince release 3.1nono
TriggersyesBy using transaction functionsnoyes infoLive Eventsno
Partitioning methods infoMethods for storing different data on different nodesnonenone infoBut extensive use of caching in the application peersA table resides as a whole on one (or more) nodes in a clusterShardingAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone infoBut extensive use of caching in the application peersyes infothe nodes on which a table resides can be definedyes, with selectable consistency levelyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Eventual Consistency
Foreign keys infoReferential integrityyesnononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDAtomic execution of specific operationsconfigurableno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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, using LMDByes infooptionallyyes
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
User concepts infoAccess controlnonoAccess rights for users and rolesauthentification to access the cache via certificates or http basic authenticationAccess rights for users and organizations can be defined via Rockset console

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More resources
AlaSQLDatomicHarperDBOracle CoherenceRockset
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