tab1 (ID, NAME)
1 | Москва
2 | Воронежtab2 (ID, NAME)
1 | мос
2 | онежSELECT * FROM `tab1`
JOIN `tab2`
ON LOWER(`tab2`.`name`) = CONCAT('%', `tab1`.`name`, '%')SELECT * 
FROM `tab1`
JOIN `tab2`
ON LOWER(`tab1`.`name`) LIKE CONCAT('%', LOWER(`tab2`.`name`), '%');