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DBMS > EXASOL vs. Sequoiadb vs. SQL.JS vs. Yaacomo

System Properties Comparison EXASOL vs. Sequoiadb vs. SQL.JS vs. Yaacomo

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonSequoiadb  Xexclude from comparisonSQL.JS  Xexclude from comparisonYaacomo  Xexclude from comparison
Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.NewSQL database with distributed OLTP and SQLPort of SQLite to JavaScriptOpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelRelational DBMSDocument store
Relational DBMS
Relational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.76
Rank#139  Overall
#62  Relational DBMS
Score0.50
Rank#258  Overall
#41  Document stores
#120  Relational DBMS
Score0.63
Rank#241  Overall
#112  Relational DBMS
Websitewww.exasol.comwww.sequoiadb.comsql.js.orgyaacomo.com
Technical documentationwww.exasol.com/­resourceswww.sequoiadb.com/­en/­index.php?m=Files&a=indexsql.js.org/­documentation/­index.html
DeveloperExasolSequoiadb Ltd.Alon Zakai infoenhancements implemented by othersQ2WEB GmbH
Initial release2000201320122009
License infoCommercial or Open SourcecommercialOpen Source infoServer: AGPL; Client: Apache V2Open Sourcecommercial
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 languageC++JavaScript
Server operating systemsLinuxserver-less, requires a JavaScript environment (browser, Node.js)Android
Linux
Windows
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesyes infooid, date, timestamp, binary, regexyesyes
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 indexesyesyesyes
SQL infoSupport of SQLyesSQL-like query languageyes infoSQL-92 is not fully supportedyes
APIs and other access methods.Net
JDBC
ODBC
WebSocket
proprietary protocol using JSONJavaScript APIJDBC
ODBC
Supported programming languagesJava
Lua
Python
R
.Net
C++
Java
PHP
Python
JavaScript
Server-side scripts infoStored proceduresuser defined functionsJavaScriptno
Triggersyesnonoyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingnonehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationnoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencynoneImmediate Consistency
Foreign keys infoReferential integrityyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDDocument is locked during a transactionACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesno infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardsimple password-based access controlnofine grained access rights according to SQL-standard

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More resources
EXASOLSequoiadbSQL.JSYaacomo
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