Illegal mix of collations (utf8_general_ci,IMPLICIT) and (cp1251_general_ci,COERCIBLE) for operation 'like' SQL query : SELECT COUNT(DISTINCT p.productID) FROM SS_products p   where categoryID>1 and enabled=1 and  ( LOWER(name) LIKE '%nokia%' OR    LOWER(product_code ) LIKE '%nokia%' OR    LOWER(brief_description) LIKE '%nokia%' )  AND  ( LOWER(name) LIKE '%n9%' OR    LOWER(product_code ) LIKE '%n9%' OR    LOWER(brief_description) LIKE '%n9%' )  AND  ( LOWER(name) LIKE '%�”��������›�•�™%' OR    LOWER(product_code ) LIKE '%�”��������›�•�™%' OR    LOWER(brief_description) LIKE '%�”��������›�•�™%' )