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DBMS > EXASOL vs. SQL.JS vs. TDSQL for MySQL vs. TempoIQ

System Properties Comparison EXASOL vs. SQL.JS vs. TDSQL for MySQL vs. TempoIQ

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonSQL.JS  Xexclude from comparisonTDSQL for MySQL  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Port of SQLite to JavaScriptA high-performance distributed database management system with features such as automatic sharding, intelligent operation and maintenance, elastic scalability without downtime, and enterprise-grade security. It is highly compatible with MySQL.Scalable analytics DBMS for sensor data, provided as a service (SaaS)
Primary database modelRelational DBMSRelational DBMSRelational DBMSTime Series DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.99
Rank#124  Overall
#58  Relational DBMS
Score0.53
Rank#252  Overall
#116  Relational DBMS
Score0.85
Rank#205  Overall
#95  Relational DBMS
Websitewww.exasol.comsql.js.orgwww.tencentcloud.com/­products/­dcdbtempoiq.com (offline)
Technical documentationwww.exasol.com/­resourcessql.js.org/­documentation/­index.htmlwww.tencentcloud.com/­document/­product/­1042
DeveloperExasolAlon Zakai infoenhancements implemented by othersTencentTempoIQ
Initial release2000201220132012
License infoCommercial or Open SourcecommercialOpen Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenonoyesyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hosted
Data schemeyesyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesyes
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 indexesyesyes
SQL infoSupport of SQLyesyes infoSQL-92 is not fully supportedyesno
APIs and other access methods.Net
JDBC
ODBC
WebSocket
JavaScript APIJDBC
ODBC
HTTP API
Supported programming languagesJava
Lua
Python
R
JavaScriptC
C#
C++
Java
PHP
Python
Ruby
C#
Java
JavaScript infoNode.js
Python
Ruby
Server-side scripts infoStored proceduresuser defined functionsnoyesno
Triggersyesnoyesyes infoRealtime Alerts
Partitioning methods infoMethods for storing different data on different nodesShardingnoneAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integrityyesyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesno infoexcept by serializing a db to a fileyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnono
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardnoUsers with fine-grained authorization conceptsimple authentication-based access control

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More resources
EXASOLSQL.JSTDSQL for MySQLTempoIQ infoformerly TempoDB
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