DBMS > Derby vs. Greenplum vs. Sqrrl
System Properties Comparison Derby vs. Greenplum vs. Sqrrl
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|Editorial information provided by DB-Engines|
|Name||Derby often called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDB Xexclude from comparison||Greenplum Xexclude from comparison||Sqrrl Xexclude from comparison|
|Sqrrl has been acquired by Amazon and became a part of Amazon Web Services. It has been removed from the DB-Engines ranking.|
|Description||Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.||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.||Adaptable, secure NoSQL built on Apache Accumulo|
|Primary database model||Relational DBMS||Relational DBMS||Document store|
Wide column store
|Secondary database models||Document store|
|Developer||Apache Software Foundation||Pivotal Software Inc.||Amazon originally Sqrrl Data, Inc.|
|Current release||10.16.1.1, May 2022||7.0.0, September 2023|
|License Commercial or Open Source||Open Source Apache version 2||Open Source Apache 2.0||commercial|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||All OS with a Java VM||Linux||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.||yes||yes since Version 4.2|
|SQL Support of SQL||yes||yes||no|
|APIs and other access methods||JDBC||JDBC|
RESTful HTTP API
|Supported programming languages||Java||C|
C using GLib
|Server-side scripts Stored procedures||Java Stored Procedures||yes||no|
|Partitioning methods Methods for storing different data on different nodes||none||Sharding||Sharding making use of Hadoop|
|Replication methods Methods for redundantly storing data on multiple nodes||Source-replica replication||Source-replica replication||selectable replication factor making use of Hadoop|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||yes||yes|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency||Immediate Consistency Document store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.|
|Foreign keys Referential integrity||yes||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||Atomic updates per row, document, or graph entity|
|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||no|
|User concepts Access control||fine grained access rights according to SQL-standard||fine grained access rights according to SQL-standard||Cell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)|
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|Derby often called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDB||Greenplum||Sqrrl|
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