DBMS > EXASOL vs. Geode vs. Greenplum
System Properties Comparison EXASOL vs. Geode vs. Greenplum
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|Editorial information provided by DB-Engines|
|Name||EXASOL Xexclude from comparison||Geode Xexclude from comparison||Greenplum Xexclude from comparison|
|Description||High-performance, in-memory, MPP database specifically designed for in-memory analytics.||Geode is a distributed data container, pooling memory, CPU, network resources, and optionally local disk across multiple processes||Analytic Database platform built on PostgreSQL. Full name is Pivotal Greenplum Database A logical database in Greenplum is an array of individual PostgreSQL databases working together to present a single database image.|
|Primary database model||Relational DBMS||Key-value store||Relational DBMS|
|Secondary database models||Document store|
|Developer||Exasol||Originally developed by Gemstone. They outsourced the project to Apache in 2015 but still deliver a commercial version as Gemfire.||Pivotal Software Inc.|
|Current release||1.1, February 2017||7.0.0, September 2023|
|License Commercial or Open Source||commercial||Open Source Apache Version 2; commercial licenses available as Gemfire||Open Source Apache 2.0|
|Cloud-based only Only available as a cloud service||no||no||no|
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|Server operating systems||All OS with a Java VM the JDK (8 or later) is also required||Linux|
|Typing predefined data types such as float or date||yes||yes||yes|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||no||no||yes since Version 4.2|
|SQL Support of SQL||yes||SQL-like query language (OQL)||yes|
|APIs and other access methods||.Net|
|Java Client API|
RESTful HTTP API
|Supported programming languages||Java|
All JVM based languages
|Server-side scripts Stored procedures||user defined functions||user defined functions||yes|
|Triggers||yes||yes Cache Event Listeners||yes|
|Partitioning methods Methods for storing different data on different nodes||Sharding||Sharding||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||Multi-source replication||Source-replica replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||yes Hadoop integration||no||yes|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Eventual Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes||no||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||yes, on a single node||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||yes||no|
|User concepts Access control||Access rights for users, groups and roles according to SQL-standard||Access rights per client and object definable||fine grained access rights according to SQL-standard|
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