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SQL Data Definition Language for Database in PostgreSQL

As was described into my previous post SQL Commands Types cheat sheet Data Definition Language, or just DDL, is a set of commands for creating, deleting, renaming databases and tables. In this tutorial I will describe how to use DDL with databases(schemes). PostgreSQL will be used for demonstration. How to setup PostgreSQL (and PgAdmin3) on Ubuntu please refer to this tutorial: How to install PostgreSQL on Ubuntu 16.04 CREATE database CREATE DATABASE blog; PostgreSQL will create a database named blog with default parameters. Continue reading