mysql insert on dupèlicate
INSERT INTO table_name(c1)
VALUES(c1)
ON DUPLICATE KEY UPDATE c1 = VALUES(c1) + 1;mysql insert on dupèlicate
INSERT INTO table_name(c1)
VALUES(c1)
ON DUPLICATE KEY UPDATE c1 = VALUES(c1) + 1;mysql update add to existing value
mysql> UPDATE tableName SET sometotal = sometotal+10 WHERE Id = 4;mysql insert exists update
INSERT INTO table (column_list)
VALUES (value_list)
ON DUPLICATE KEY UPDATE
c1 = v1,
c2 = v2,
...;update having mysql
UPDATE contacts_domains cd,
(SELECT id FROM contacts_domains GROUP BY domain_id
HAVING COUNT(contact_id) = 1) AS cdtmp
SET cd.dominant = 1
WHERE cd.id = cdtmp.idCopyright © 2021 Codeinu
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