insert mysql if not exists code example
Example 1: mysql insert exists update
INSERT INTO table (column_list)
VALUES (value_list)
ON DUPLICATE KEY UPDATE
c1 = v1,
c2 = v2,
...;
Example 2: 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 3: mysql insert into if not exists
INSERT INTO table_name (firstname, lastname)
SELECT 'NEW FIRSTNAME', 'NEW LASTNAME'
FROM DUAL
WHERE NOT EXISTS(
SELECT 1
FROM table_name
WHERE firstname = 'NEW FIRSTNAME' AND lastname = 'NEW LASTNAME'
)
LIMIT 1;
Example 4: mysql insert if not exists
INSERT IGNORE INTO companies
(id, full_name, address, phone_number)
VALUES
(1, 'Apple', '1 Infinite Loop, Cupertino, California', 18002752273);