mysql insert if not existing code example
Example 1: 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 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);
Example 3: php sql insert into if not exists
INSERT IGNORE INTO `transcripts`
SET `ensembl_transcript_id` = 'ENSORGT00000000001',
`transcript_chrom_start` = 12345,
`transcript_chrom_end` = 12678;