Creating table in MySQL

Create table mysql

CREATE TABLE IF NOT EXISTS tasks (
    task_id INT AUTO_INCREMENT PRIMARY KEY,
    title VARCHAR(255) NOT NULL,
    start_date DATE,
    due_date DATE,
    status TINYINT NOT NULL,
    priority TINYINT NOT NULL,
    description TEXT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
)  ENGINE=INNODB;

Create table mysql query

create table tutorials_tbl(
   tutorial_id INT NOT NULL AUTO_INCREMENT,
   tutorial_title VARCHAR(100) NOT NULL,
   tutorial_author VARCHAR(40) NOT NULL,
   submission_date DATE,
   PRIMARY KEY ( tutorial_id )
);

Source: tutorialspoint.com

Creating table in MySQL

#Assuming that there is a database called MyDatabase
#creates a table called TableName, with columns Name, Age, and Class
Use MyDatabase;
create table TableName(
  No. int primary key,
  Name varchar(50),
  Age int,
  Class varchar(15));

Mysql create table

Imaginons que l’ont souhaite créer une table utilisateur,
contenant "id","nom", "prenom", "email", "date_naiss", "pays" etc..
La requête pour créer cette table peut ressembler à ceci:

CREATE TABLE utilisateur
(
    id INT PRIMARY KEY NOT NULL,
    nom VARCHAR(100),
    prenom VARCHAR(100),
    email VARCHAR(255),
    date_naissance DATE,
    pays VARCHAR(255),
    ville VARCHAR(255),
    code_postal VARCHAR(5),
    nombre_achat INT
)

Voici des explications sur les colonnes créées :

    id : identifiant unique qui est utilisé comme clé primaire
		 et qui n’est pas nulle
    nom :une colonne de type VARCHAR avec un maximum de 100 caractères 
    prenom : idem mais pour le prénom
    email : adresse email enregistré sous 255 caractères au maximum
    date_naissance :  format AAAA-MM-JJ (exemple : 1973-11-17)
    pays : nom du pays  255 caractères au maximum
    ville : idem pour la ville
    code_postal : 5 caractères du code postal
    nombre_achat : nombre d’achat de cet utilisateur sur le site

Create table mysql

create table tutorials_tbl(
   tutorial_id INT NOT NULL AUTO_INCREMENT,
   tutorial_title VARCHAR(100) NOT NULL,
   tutorial_author VARCHAR(40) NOT NULL,
   submission_date DATE,
   PRIMARY KEY ( tutorial_id )
);

Create table mysql

CREATE TABLE IF NOT EXISTS `sys_user_details` (
    user_detail_id INT(11) AUTO_INCREMENT,
    user_id INT(11),
    name VARCHAR(100) NOT NULL,
    email VARCHAR(200) NOT NULL,
    education VARCHAR(100) DEFAULT NULL,
    skills VARCHAR(100) DEFAULT NULL,
    experience VARCHAR(100) DEFAULT NULL,
    CONSTRAINT PK_sys_user_details PRIMARY KEY (user_detail_id),
    CONSTRAINT FK_sys_user_details_user_id FOREIGN KEY (user_id)
    REFERENCES sys_user(user_id)
        ON UPDATE RESTRICT ON DELETE CASCADE
);

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