PostgreSQL Introduction

• PostgreSQL tutorial provides basic and advanced concepts of SQL. Our PostgreSQL tutorial is designed for beginners and professionals.
• PostgreSQL is an opens-source object-relational database management system (ORDBMS).
• Our PostgreSQL tutorial includes all topics of PostgreSQL language such as create database, create table, drop database, drop table, select database, select table, insert record, update record, delete record, triggers, functions, procedures, cursors etc. There are also given PostgreSQL interview questions and quizzes to help you better understand the PostgreSQL language.

Prerequisite:

• Before you start doing practice with various types of examples given in this reference, I'm making an assumption that you are already aware about what is database, especially RDBMS and what is a computer programming language.
• you must have the basic knowledge of SQL

Problem:

• We assure that you will not find any problem in this PostgreSQL tutorial. But if there is any mistake, please post the problem in contact form.

What is PostgreSQL?:

• PostgreSQL is a powerful, open source, object-relational database management system (ORDBMS). It is used to store data securely; supporting best practices and allow retrieving them when request is processed.
• PostgreSQL (pronounced as post-gress-Q-L) is an open source relational database management system ( DBMS ) developed by a worldwide team of volunteers. PostgreSQL is not controlled by any corporation or other private entity and the source code is available free of charge.
• PostgreSQL is cross platform and runs on many operating systems such as Linux, FreeBSD, OS X, Solaris, and Microsoft Windows etc