DBMS > Heroic vs. PostgreSQL vs. SingleStore
System Properties Comparison Heroic vs. PostgreSQL vs. SingleStore
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|Editorial information provided by DB-Engines|
|Name||Heroic Xexclude from comparison||PostgreSQL Xexclude from comparison||SingleStore former name was MemSQL Xexclude from comparison|
|Description||Time Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearch||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||MySQL wire-compliant distributed RDBMS that combines an in-memory row-oriented and a disc-based column-oriented storage|
|Primary database model||Time Series DBMS||Relational DBMS with object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.||Relational DBMS|
|Secondary database models||Document store|
|Developer||Spotify||PostgreSQL Global Development Group www.postgresql.org/developer||SingleStore Inc.|
|Initial release||2014||1989 1989: Postgres, 1996: PostgreSQL||2013|
|Current release||13.2 , February 2021||7.3, December 2020|
|License Commercial or Open Source||Open Source Apache 2.0||Open Source BSD||commercial free developer edition available|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
Providers of DBaaS offerings, please contact us to be listed.
|ScaleGrid for PostgreSQL: Fully managed PostgreSQL hosting on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.||SingleStore Managed Service: The world's fastest, most capable cloud database for operational analytics, machine learning, & AI. Available instantly with multi-cloud and hybrid-cloud capabilities.|
|Server operating systems||FreeBSD|
|Linux 64 bit version required|
|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||yes specific XML-type available, but no XML query functionality.||no|
|Secondary indexes||yes via Elasticsearch||yes||yes|
|SQL Support of SQL||no||yes standard with numerous extensions||yes, but no triggers and foreign keys|
|APIs and other access methods||HQL (Heroic Query Language, a JSON-based language)|
native C library
streaming API for large objects
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||no||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||yes|
|Partitioning methods Methods for storing different data on different nodes||Sharding||partitioning by range, list and (since PostgreSQL 11) by hash||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||yes||Source-replica replication other methods possible by using 3rd party extensions||Source-replica replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency|
|Immediate Consistency||Immediate Consistency only within each node|
|Foreign keys Referential integrity||no||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||ACID||ACID Only isolation level: READ COMMITED|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes, multi-version concurrency control (MVCC)|
|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.||no||no||yes|
|User concepts Access control||fine grained access rights according to SQL-standard||fine grained access rights according to SQL-standard|
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|Related products and services|
|3rd parties||Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.|
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|Heroic||PostgreSQL||SingleStore former name was MemSQL|
|DB-Engines blog posts|
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