relational model v sql v mysql

critical-terms.md

Relational Model A framework for describing data. Data is organized into tables and relations.

SQL stands for Structured Query Language. It’s a standard language for implementing a Relational Model accessing and manipulating Relational databases.

MySQL is a RDMS (Relational Database Management System) that implements SQL .

• like SQL Server, Oracle, Postgres, etc.

CREATE DATABASE HOSPITAL
  
CREATE TABLE EMPLOYEE (
	id INT AUTO_INCREMENT NOT NULL PRIMARY KEY,
	username VARCHAR(50) NOT NULL,
	first_name VARCHAR(25) NOT NULL,
	last_name VARCHAR(25) NOT NULL,
	email VARCHAR(25) NOT NULL,
	salary INT,
	medical_staff BOOL  
	created_at TIMESTAMP DEFAULT "00:00:00 00:00:00"
);