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 '%���›���’����������������™%' OR    LOWER(product_code ) LIKE '%���›���’����������������™%' OR    LOWER(brief_description) LIKE '%���›���’����������������™%' )  AND  ( LOWER(name) LIKE '%�����”����›��%' OR    LOWER(product_code ) LIKE '%�����”����›��%' OR    LOWER(brief_description) LIKE '%�����”����›��%' )