Difference between PostgreSQL and Teradata

1. PostgreSQL : PostgreSQL is a powerful, open-source Object-relational database system. It provides good performance with low maintenance efforts because of its high stability. PostgreSQL was the first DBMS that implemented multi-version concurrency control (MVCC) feature. 2. Teradata : Teradata is an RDBMS that is produced by Teradata Corp. And it is used to manage large data warehousing operations. Teradata Corporation is a provider of database and analytics-related software, products, and services. It accepts the number of requests from multiple client applications.
Difference between PostgreSQL and Teradata :

SR.NO	PostgreSQL	Teradata
1	It is developed by PostgreSQL Global Development Group in 1989.	It is developed by Teradata Corp. in 1984.
2	PostgreSQL server operating systems are FreeBSD, HP-UX, Linux, NetBSD, OpenBSD, OS X, Solaris, Unix and Windows.	Teradata server operating systems are Linux, hosted.
3	The primary database model for PostgreSQL is Relational DBMS.	The primary database model for Teradata is Relational DBMS.
4	It is a open source software framework.	It runs world’s largest commercial databases.
5	Famous companies like National Audubon Society, Inc., FreshRealm, LLC, TIME Systems etc uses PostgreSQL.	Famous companies like Cognizant, Capgemini, aws, Cisco, Citibank, etc use Teradata.
6	It do not support In-memory capabilities.	It support in-memory capabilities.
7	It provides us with Immediate Consistency method to ensure consistency in a distributed system.	It also provides us with Immediate Consistency method to ensure consistency in a distributed system.
8	It supports Master-Slave Replication.	It supports both Master-Slave Replication and Master-Master Replication.
9	It supports C, .Net, C++, Java, JavaScript, PHP, Python, Ruby.	It supports C, C++, Cobol, Java (JDBC-ODBC), Perl, PL/1, Python, R, Ruby.
10	It provides access rights for users and roles.	It provide fine grained access rights according to SQL-standard.