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DBMS > Apache Impala vs. Dgraph vs. GeoMesa vs. JSqlDb vs. LokiJS

System Properties Comparison Apache Impala vs. Dgraph vs. GeoMesa vs. JSqlDb vs. LokiJS

Editorial information provided by DB-Engines
NameApache Impala  Xexclude from comparisonDgraph  Xexclude from comparisonGeoMesa  Xexclude from comparisonJSqlDb  Xexclude from comparisonLokiJS  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionAnalytic DBMS for HadoopDistributed and scalable native Graph DBMSGeoMesa is a distributed spatio-temporal DBMS based on various systems as storage layer.JavaScript Query Language Database, stores JavaScript objects and primitivesIn-memory JavaScript DBMS
Primary database modelRelational DBMSGraph DBMSSpatial DBMSDocument store
Object oriented DBMS
Document store
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score13.77
Rank#40  Overall
#24  Relational DBMS
Score1.45
Rank#156  Overall
#15  Graph DBMS
Score0.78
Rank#213  Overall
#4  Spatial DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Websiteimpala.apache.orgdgraph.iowww.geomesa.orgjsqldb.org (offline)github.com/­techfort/­LokiJS
Technical documentationimpala.apache.org/­impala-docs.htmldgraph.io/­docswww.geomesa.org/­documentation/­stable/­user/­index.htmltechfort.github.io/­LokiJS
DeveloperApache Software Foundation infoApache top-level project, originally developed by ClouderaDgraph Labs, Inc.CCRi and othersKonrad von Backstrom
Initial release20132016201420182014
Current release4.1.0, June 20224.0.5, February 20240.8, December 2018
License infoCommercial or Open SourceOpen Source infoApache Version 2Open Source infoApache 2.0Open Source infoApache License 2.0Open SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++GoScalaJavaScript
Server operating systemsLinuxLinux
OS X
Windows
Linux
macOS
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesschema-freeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesyesnono
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 indexesyesyesyesnoyes infovia views
SQL infoSupport of SQLSQL-like DML and DDL statementsnononono
APIs and other access methodsJDBC
ODBC
GraphQL query language
gRPC (using protocol buffers) API
HTTP API
JavaScript API
Supported programming languagesAll languages supporting JDBC/ODBCC#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
JavaScriptJavaScript
Server-side scripts infoStored proceduresyes infouser defined functions and integration of map-reducenonofunctions in JavaScriptView functions in JavaScript
Triggersnonononoyes
Partitioning methods infoMethods for storing different data on different nodesShardingyesdepending on storage layernonenone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factorSynchronous replication via Raftdepending on storage layernonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoquery execution via MapReducenoyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate Consistencydepending on storage layernone
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnono infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesyes infousing RocksDByes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nodepending on storage layeryes
User concepts infoAccess controlAccess rights for users, groups and roles infobased on Apache Sentry and Kerberosno infoPlanned for future releasesyes infodepending on the DBMS used for storageno

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More resources
Apache ImpalaDgraphGeoMesaJSqlDbLokiJS
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