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DBMS > Apache Drill vs. GeoMesa vs. LokiJS vs. VelocityDB

System Properties Comparison Apache Drill vs. GeoMesa vs. LokiJS vs. VelocityDB

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Editorial information provided by DB-Engines
NameApache Drill  Xexclude from comparisonGeoMesa  Xexclude from comparisonLokiJS  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionSchema-free SQL Query Engine for Hadoop, NoSQL and Cloud StorageGeoMesa is a distributed spatio-temporal DBMS based on various systems as storage layer.In-memory JavaScript DBMSA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelDocument store
Relational DBMS
Spatial DBMSDocument storeGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.95
Rank#127  Overall
#23  Document stores
#60  Relational DBMS
Score0.78
Rank#213  Overall
#4  Spatial DBMS
Score0.43
Rank#264  Overall
#42  Document stores
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitedrill.apache.orgwww.geomesa.orggithub.com/­techfort/­LokiJSvelocitydb.com
Technical documentationdrill.apache.org/­docswww.geomesa.org/­documentation/­stable/­user/­index.htmltechfort.github.io/­LokiJSvelocitydb.com/­UserGuide
DeveloperApache Software FoundationCCRi and othersVelocityDB Inc
Initial release2012201420142011
Current release1.20.3, January 20234.0.5, February 20247.x
License infoCommercial or Open SourceOpen Source infoApache Version 2Open Source infoApache License 2.0Open Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageScalaJavaScriptC#
Server operating systemsLinux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)Any that supports .NET
Data schemeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesnoyes
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.nononono
Secondary indexesnoyesyes infovia viewsyes
SQL infoSupport of SQLSQL SELECT statement is SQL:2003 compliantnonono
APIs and other access methodsJDBC
ODBC
RESTful HTTP API
JavaScript API.Net
Supported programming languagesC++JavaScript.Net
Server-side scripts infoStored proceduresuser defined functionsnoView functions in JavaScriptno
TriggersnonoyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingdepending on storage layernoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesdepending on storage layernone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemnonedepending on storage layernoneImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentDepending on the underlying data sourceyesyes 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.Depending on the underlying data sourcedepending on storage layeryesyes
User concepts infoAccess controlDepending on the underlying data sourceyes infodepending on the DBMS used for storagenoBased on Windows Authentication

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More resources
Apache DrillGeoMesaLokiJSVelocityDB
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