SQL table code example

Example 1: create table sql

# Simple table describing a vehicle

CREATE TABLE vehicle(
  	# vehicleId: Unique ID for Primary Key.
  	# This is how we will reference a record
	vehicleId INT NOT NULL,  
  	make VARCHAR(64), # String 64 chars max
  	model VARCHAR(128),
  	derivative VARCHAR(255),
  	PRIMARY KEY(vehicleId)
);

# Add a record
INSERT INTO vehicle VALUES(1000,'Volkswagen','Golf','1.5 TSI EVO Match Edition 5dr');

Example 2: how to create table in sql

# Creates a Simple User table
# Uses an auto-incrementing primary key as userId 

CREATE TABLE user (
    userId INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
    username VARCHAR(100),
    password VARCHAR(100) 
) ENGINE=InnoDB;

Example 3: 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 4: tables in sql

It's a table which structured with a
set number of columns and a boundless
number of rows. Table contains data
and stores the data in databases.
Once we change information in data
it changes in the view aswell.

Example 5: sql create table

CREATE TABLE table_name (

     column1 datatype,

     column2 datatype,

     column3 datatype,

  
....

);

Example 6: sql alter table

-- With check if field already exists

IF NOT EXISTS(SELECT 1 FROM sys.columns 
          WHERE Name = N'Email'
          AND Object_ID = Object_ID(N'dbo.Customers'))
BEGIN    
	ALTER TABLE Customers
    ADD Email varchar(255);
END