mysql insert error if not exist code example

Example 1: insert if not exists mysql

INSERT INTO table_listnames (name, address, tele)
SELECT * FROM (SELECT 'Unknown' AS name, 'Unknown' AS address, '022' AS tele) AS tmp
WHERE NOT EXISTS (
    SELECT name FROM table_listnames WHERE name = 'Rupert'
) LIMIT 1;

Example 2: mysql insert if not exists

INSERT IGNORE INTO companies
    (id, full_name, address, phone_number)
VALUES
    (1, 'Apple', '1 Infinite Loop, Cupertino, California', 18002752273);