DBMS > Cloudflare Workers KV vs. Microsoft Azure Table Storage vs. PostgreSQL vs. SAP SQL Anywhere
System Properties Comparison Cloudflare Workers KV vs. Microsoft Azure Table Storage vs. PostgreSQL vs. SAP SQL Anywhere
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|Editorial information provided by DB-Engines|
|Name||Cloudflare Workers KV Xexclude from comparison||Microsoft Azure Table Storage Xexclude from comparison||PostgreSQL Xexclude from comparison||SAP SQL Anywhere formerly called Adaptive Server Anywhere Xexclude from comparison|
|Description||A global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.||A Wide Column Store for rapid development using massive semi-structured datasets||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||RDBMS database and synchronization technologies for server, desktop, remote office, and mobile environments|
|Primary database model||Key-value store||Wide column store||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||Cloudflare||Microsoft||PostgreSQL Global Development Group www.postgresql.org/developer||SAP formerly Sybase|
|Initial release||2018||2012||1989 1989: Postgres, 1996: PostgreSQL||1992|
|Current release||15.1, November 2022||17, July 2015|
|License Commercial or Open Source||commercial||commercial||Open Source BSD||commercial|
|Cloud-based only Only available as a cloud service||yes||yes||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||hosted||hosted||FreeBSD|
|Typing predefined data types such as float or date||no||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 specific XML-type available, but no XML query functionality.||yes|
|SQL Support of SQL||no||no||yes standard with numerous extensions||yes|
|APIs and other access methods||HTTP REST|
|RESTful HTTP API||ADO.NET|
native C library
streaming API for large objects
|Supported programming languages||C|
|Server-side scripts Stored procedures||no||no||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||yes, in C/C++, Java, .Net or Perl|
|Partitioning methods Methods for storing different data on different nodes||Sharding Implicit feature of the cloud service||partitioning by range, list and (since PostgreSQL 11) by hash||none|
|Replication methods Methods for redundantly storing data on multiple nodes||yes||yes implicit feature of the cloud service. Replication either local, cross-facility or geo-redundant.||Source-replica replication other methods possible by using 3rd party extensions||Source-replica replication Database mirroring|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency||Immediate Consistency||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||no||yes||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||optimistic locking||ACID||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||no||no||yes|
|User concepts Access control||Access rights based on private key authentication or shared access signatures||fine grained access rights according to SQL-standard||fine grained access rights according to SQL-standard|
More information provided by the system vendor
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|Cloudflare Workers KV||Microsoft Azure Table Storage||PostgreSQL||SAP SQL Anywhere formerly called Adaptive Server Anywhere|
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