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DBMS > EXASOL vs. PostGIS vs. Riak KV

System Properties Comparison EXASOL vs. PostGIS vs. Riak KV

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonPostGIS  Xexclude from comparisonRiak KV  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Spatial extension of PostgreSQLDistributed, fault tolerant key-value store
Primary database modelRelational DBMSSpatial DBMSKey-value store infowith links between data sets and object tags for the creation of secondary indexes
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.99
Rank#124  Overall
#58  Relational DBMS
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Score4.10
Rank#82  Overall
#9  Key-value stores
Websitewww.exasol.compostgis.net
Technical documentationwww.exasol.com/­resourcespostgis.net/­documentationwww.tiot.jp/­riak-docs/­riak/­kv/­latest
DeveloperExasolOpenSource, formerly Basho Technologies
Initial release200020052009
Current release3.4.2, February 20243.2.0, December 2022
License infoCommercial or Open SourcecommercialOpen Source infoGPL v2.0Open Source infoApache version 2, commercial enterprise edition
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCErlang
Server operating systemsLinux
OS X
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesno
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.noyesno
Secondary indexesyesyesrestricted
SQL infoSupport of SQLyesyesno
APIs and other access methods.Net
JDBC
ODBC
WebSocket
HTTP API
Native Erlang Interface
Supported programming languagesJava
Lua
Python
R
C infounofficial client library
C#
C++ infounofficial client library
Clojure infounofficial client library
Dart infounofficial client library
Erlang
Go infounofficial client library
Groovy infounofficial client library
Haskell infounofficial client library
Java
JavaScript infounofficial client library
Lisp infounofficial client library
Perl infounofficial client library
PHP
Python
Ruby
Scala infounofficial client library
Smalltalk infounofficial client library
Server-side scripts infoStored proceduresuser defined functionsuser defined functionsErlang
Triggersyesyesyes infopre-commit hooks and post-commit hooks
Partitioning methods infoMethods for storing different data on different nodesShardingyes infobased on PostgreSQLSharding infono "single point of failure"
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on PostgreSQLselectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesyesno infolinks between data sets can be stored
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardyes infobased on PostgreSQLyes, using Riak Security

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More resources
EXASOLPostGISRiak KV
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