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DBMS > EXASOL vs. SQream DB vs. SwayDB vs. XTDB

System Properties Comparison EXASOL vs. SQream DB vs. SwayDB vs. XTDB

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonSQream DB  Xexclude from comparisonSwayDB  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.a GPU-based, columnar RDBMS for big data analytics workloadsAn embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storageA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelRelational DBMSRelational DBMSKey-value storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.66
Rank#138  Overall
#64  Relational DBMS
Score0.62
Rank#234  Overall
#109  Relational DBMS
Score0.00
Rank#384  Overall
#60  Key-value stores
Score0.13
Rank#330  Overall
#45  Document stores
Websitewww.exasol.comsqream.comswaydb.simer.augithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationwww.exasol.com/­resourcesdocs.sqream.comwww.xtdb.com/­docs
DeveloperExasolSQream TechnologiesSimer PlahaJuxt Ltd.
Initial release2000201720182019
Current release2022.1.6, December 20221.19, September 2021
License infoCommercial or Open SourcecommercialcommercialOpen Source infoGNU Affero GPL V3.0Open Source infoMIT License
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++, CUDA, Haskell, Java, ScalaScalaClojure
Server operating systemsLinuxAll OS with a Java 8 (and higher) VM
Linux
Data schemeyesyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyes, ANSI Standard SQL Typesnoyes, extensible-data-notation format
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.nonono
Secondary indexesyesnonoyes
SQL infoSupport of SQLyesyesnolimited SQL, making use of Apache Calcite
APIs and other access methods.Net
JDBC
ODBC
WebSocket
.Net
JDBC
ODBC
HTTP REST
JDBC
Supported programming languagesJava
Lua
Python
R
C++
Java
JavaScript (Node.js)
Python
Java
Kotlin
Scala
Clojure
Java
Server-side scripts infoStored proceduresuser defined functionsuser defined functions in Pythonnono
Triggersyesnonono
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal and vertical partitioningnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDAtomic execution of operationsACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardno

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More resources
EXASOLSQream DBSwayDBXTDB infoformerly named Crux
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