UPDATE `ok` t SET t.name = CONCAT(name,"ooo") WHERE age =123
这是加到字段后面
UPDATE `ok` t SET t.name = CONCAT("ooo",name) WHERE age =123
这是加到字段前面
UPDATE `ok` t SET t.name = CONCAT(name,"ooo") WHERE age =123
这是加到字段后面
UPDATE `ok` t SET t.name = CONCAT("ooo",name) WHERE age =123
这是加到字段前面