Explain the history of PostgreSQL.Postgres SQL Interview Questions for Freshers/Postgres Interview Questions and Answers for Freshers & Experienced

Explain the history of PostgreSQL.

The origin of PostgreSQL dates back to 1986 as part of the POSTGRES project at the University of California at Berkeley and has more than 30 years of active development on the core platform. It runs on all the major operating systems and has been ACID-compliant since 2001. It also has add-on like PostGIS database extender. In MAC OS Postgresql is the default database. Michel Stonebraker is Father of Postgresql who has started the Post Ingres project for supporting Contemporary Database systems.PostgreSQL’s developers pronounce PostgreSQL as It is abbreviated as Postgres because of ubiquitous support for the SQL Standard among most relational databases.PostgreSQL, originally called Postgres, was created at UCB by a computer science professor named Michael Stonebraker, who went on to become the CTO of Informix Corporation.

Stonebraker started Postgres in 1986 as a followup project to its predecessor, Ingres, now owned by Computer Associates. The name Postgres thus plays off of its predecessor (as in “after Ingres”). Ingres, developed from 1977 to 1985, had been an exercise in creating a database system according to classic RDBMS theory. Postgres, developed in 1986-1994, was a project meant to break new ground in database concepts such as exploration of “object-relational” technologies. An enterprise-class database, PostgreSQL boasts sophisticated features such as Multi-Version Concurrency Control (MVCC), point in time recovery, tablespaces, asynchronous replication, nested transactions (savepoints), online/hot backups, a sophisticated query planner/optimizer, and write-ahead logging for fault tolerance.

Posted Date:- 2021-11-08 04:36:24

Do provide an explanation for pgadmin?

Which are different types of database administration tools used in Postgresql?

Provide a brief explanation of the functions in Postgresql.

Put some light on Multi-Version concurrency control?

What is the purpose of table space in PostgreSQL?

Provide a brief explanation of the functions in Postgresql.

What are the advanced features/functionalities of Postgres DB ?

What are tokens in PostgreSQL?

What is the option that can be used in PostgreSQL to make transactions see rows affected in previous parts of the transaction?

How can you store the binary data in PostgreSQL?

What are some of the important data administration tools supported by PostgreSQL?

What is the command enable-debug in PostgreSQL?

What purpose does the CTIDs field serve?

What are the different properties of a transaction in PostgreSQL? Which acronym is used to refer to them?

What is the option in PostgreSQL to check rows that are affected in a previous part of the transaction?

What is Multi-version control?

Can you explain pgadmin?

What is multi-version concurrency control in PostgreSQL?

How can you delete complete data from an existing table?

Explain the history of PostgreSQL.

What is the disadvantage of the DROP TABLE command in deleting complete data from an existing table?

What do you need to do to update statistics in PostgreSQL?

Provide a brief explanation of the functions in PostgreSQL?

What will be the new characteristics of Postgre 9.1?

What are the benefits of specifying data types in columns while creating a table?

Compare ‘PostgreSQL’ with ‘NoSQL’

What does a Cluster index do?

What indexes are used?

What are database callback functions called? What is its purpose?

What are the Indices of PostgreSQL?

What are the different operators in PostgreSQL?

What is multi-version control in PostgreSQL?

How can you store binary data in PostgreSQL?

What does a schema contain?

How do you delete the database in PostgreSQL?

How can we change the columns datatype in PostgreSQL?

What is use of pgadmin in PostgreSQL?

How can you avoid unnecessary locking of a database?

How to start database server in PostgreSQL?

How can you avoid unnecessary locking of a database?

What purpose does pgAdmin in PostgreSQL server?

What is a partitioned table in PostgreSQL?

What are tokens in PostgreSQL?

What are the Indices of PostgreSQL?

What is multi-version control in PostgreSQL?

What are string constants in PostgreSQL?

List different advantages of Postgresql?

List different datatypes of Postgresql?

List some of the features of Postgresql ?

What is PostgreSQL?

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