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DBMS > EXASOL vs. HyperSQL vs. LokiJS vs. Microsoft SQL Server

System Properties Comparison EXASOL vs. HyperSQL vs. LokiJS vs. Microsoft SQL Server

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonHyperSQL infoalso known as HSQLDB  Xexclude from comparisonLokiJS  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Multithreaded, transactional RDBMS written in Java infoalso known as HSQLDBIn-memory JavaScript DBMSMicrosofts flagship relational DBMS
Primary database modelRelational DBMSRelational DBMSDocument storeRelational DBMS
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.53
Rank#91  Overall
#47  Relational DBMS
Score5.53
Rank#71  Overall
#39  Relational DBMS
Score0.60
Rank#222  Overall
#33  Document stores
Score944.81
Rank#3  Overall
#3  Relational DBMS
Websitewww.exasol.comhsqldb.orggithub.com/­techfort/­LokiJSwww.microsoft.com/­en-us/­sql-server
Technical documentationwww.exasol.com/­resourceshsqldb.org/­web/­hsqlDocsFrame.htmltechfort.github.io/­LokiJSdocs.microsoft.com/­en-US/­sql/­sql-server
DeveloperExasolMicrosoft
Initial release2000200120141989
Current release2.6.1, October 2021SQL Server 2019, November 2019
License infoCommercial or Open SourcecommercialOpen Source infobased on BSD licenseOpen Sourcecommercial inforestricted free version is available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaScriptC++
Server operating systemsAll OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modesserver-less, requires a JavaScript environment (browser, Node.js)Linux
Windows
Data schemeyesyesschema-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.nononoyes
Secondary indexesyesyesyes infovia viewsyes
SQL infoSupport of SQLyesyesnoyes
APIs and other access methods.Net
JDBC
ODBC
WebSocket
HTTP API infoJDBC via HTTP
JDBC
ODBC
JavaScript APIADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
Supported programming languagesJava
Lua
Python
R
All languages supporting JDBC/ODBC
Java
JavaScriptC#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
Server-side scripts infoStored proceduresuser defined functionsJava, SQLView functions in JavaScriptTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Java
Triggersyesyesyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingnonenonetables can be distributed across several files (horizontal partitioning); sharding through federation
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneyes, but depending on the SQL-Server Edition
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integrityyesyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes 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.yesyesyesyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardfine grained access rights according to SQL-standardnofine grained access rights according to SQL-standard

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More resources
EXASOLHyperSQL infoalso known as HSQLDBLokiJSMicrosoft SQL Server
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