create table data types code example

Example 1: sql table

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
)

Example 2: sql What type is that value?

SELECT TYPEOF(value);