DBMS > Microsoft Access vs. PostgreSQL vs. YDB
System Properties Comparison Microsoft Access vs. PostgreSQL vs. YDB
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|Editorial information provided by DB-Engines|
|Name||Microsoft Access Xexclude from comparison||PostgreSQL Xexclude from comparison||YDB Xexclude from comparison|
|Description||Microsoft Access combines a backend RDBMS (JET / ACE Engine) with a GUI frontend for data manipulation and queries. The Access frontend is often used for accessing other datasources (DBMS, Excel, etc.)||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||A distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API|
|Primary database model||Relational DBMS||Relational DBMS with object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.||Document store|
|Secondary database models||Document store|
Graph DBMS with Apache Age
Vector DBMS with pgvector extension
|Developer||Microsoft||PostgreSQL Global Development Group www.postgresql.org/developer||Yandex|
|Initial release||1992||1989 1989: Postgres, 1996: PostgreSQL||2019|
|Current release||1902 (16.0.11328.20222), March 2019||16.0, September 2023|
|License Commercial or Open Source||commercial Bundled with Microsoft Office||Open Source BSD||Open Source Apache 2.0; commercial license available|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Aiven for PostgreSQL: Fully managed and hosted PostgreSQL® with 70+ extensions and orchestration tooling included.|
|Server operating systems||Windows Not a real database server, but making use of DLLs||FreeBSD|
|Data scheme||yes||yes||Flexible Schema (defined schema, partial schema, schema free)|
|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 specific XML-type available, but no XML query functionality.||no|
|SQL Support of SQL||yes but not compliant to any SQL standard||yes standard with numerous extensions||SQL-like query language (YQL)|
|APIs and other access methods||ADO.NET|
native C library
streaming API for large objects
|RESTful HTTP API (DynamoDB compatible)|
|Supported programming languages||C|
|Server-side scripts Stored procedures||yes since Access 2010 using the ACE-engine||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||no|
|Triggers||yes since Access 2010 using the ACE-engine||yes|
|Partitioning methods Methods for storing different data on different nodes||none||partitioning by range, list and (since PostgreSQL 11) by hash||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||none||Source-replica replication other methods possible by using 3rd party extensions||Active-passive shard replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID but no files for transaction logging||ACID||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes but no files for transaction logging||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||no|
|User concepts Access control||no a simple user-level security was built in till version Access 2003||fine grained access rights according to SQL-standard||Access rights defined for Yandex Cloud users|
More information provided by the system vendor
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|Related products and services|
|3rd parties||Redgate webinars: A series of key topics for new PostgreSQL users.
Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
Aiven for PostgreSQL: The familiar open source PostgreSQL® that you know and love, with no proprietary features or add-ons that will lock you in.
Instaclustr: Fully Hosted & Managed PostgreSQL
pgDash: In-Depth PostgreSQL Monitoring.
Fujitsu Enterprise Postgres: An Enterprise Grade PostgreSQL with the flexibility of a hybrid cloud solution combined with industry leading security, availability and performance.
Datasentinel: Platform for Monitoring and Analyzing the performance problems of your PostgreSQL Clusters
Navicat Monitor is a safe, simple and agentless remote server monitoring tool for PostgreSQL and many other database management systems.
Timescale: Calling all PostgreSQL users – the 2023 State of PostgreSQL survey is now open! Share your favorite extensions, preferred frameworks, community experiences, and more. Take the survey today!
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|DB-Engines blog posts|
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|Conferences and events|
PostgreSQL 101: An introduction to Multi-Version Concurrency Control and Vacuum
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