Explore postgresql code snippets and tutorials
<p>It is a basic database schema for managing information related to companies, hotels, rooms, features, attributes, customers, and reservations. The SQL script defines the table structure for each entity along …
<p>The SQL query you provided is used to calculate and display the size of a PostgreSQL database named 'database_name' in a human-readable format. The function <code>pg_database_size()</code> returns the size of …
<p>Optimizing PostgreSQL in a Debian server involves several steps, including tuning PostgreSQL configuration, optimizing server hardware resources, and optimizing queries. Here are some general steps that you can follow: </p> …
<p>The SQL code you provided creates several tables to implement a basic user, group, and permission system. Let's break down each table and its purpose:</p> <ol> <li> <p><code>public.user</code> table:</p> <ul> …
<ol> <li> <p><code>country</code> Table:</p> <ul> <li>This table stores information about countries.</li> <li>It has a primary key <code>id</code>, a <code>name</code> field to store the country name, and various timestamp fields (<code>created_at</code> …