What is PostgreSQL? Discover the powerful, open source object-relational database. Learn its features, use cases, comparison with MySQL, and enterprise readiness.
This blog on What is PostgreSQL covers an introduction to PostgreSQL, its history, features, applications, advantages, and disadvantages of PostgreSQL.
The first reason is obvious: you will need a lot of space. However, there is more-- in case your database crashes, PostgreSQL has to repeat all changes since the last checkpoint. In other words, after a crash, your database might take longer to recover - due to insanely large amounts...
In PostgreSQL, the ISEMPTY() is an in-built range function that accepts a range or multi-range as an argument and retrieves a TRUE or FALSE value. The TRUE values state that the given range is empty while the FALSE value indicates that the specified range/multi-range is not empty. Synt...
Learn about PostgreSQL and how you can leverage an open-source relational database management system.
The purpose of these columns is to signify the type of data that belongs in a table field. The following are some of the most prevalent PostgreSQL data types: Boolean The Boolean data type is designed to express two-state values such as true/false, on/off, yes/no, and null values. ...
What is PostgreSQL? PostgreSQL, also known as Postgres, is an open source relational database management system (DBMS) renowned for its flexibility, scalability, and extensive feature set. With a rich history dating back to its inception at the University of California Berkeley in 1986, PostgreSQL...
Issue Is there a hot backup function in postgresql so that the data can be backup concurrently?Environment Red Hat Enterprise Linux 6 postgresql92 Red Hat Enterprise Linux 7 postgresql-9.2 Subscriber exclusive content A Red Hat subscription provides unlimited access to our knowledgebase, tools, ...
Is PostgreSQL a Relational Database? Being an object-relational database (ORD), PostgreSQL offers features found in proprietary databases and even adds enhancements to make it a more enticing choice. As an ORD, it is capable of interacting with data between both relational and object-oriented dat...
What is PostgreSQLNoritaka Shimizu