SQL Error: <br>SELECT * FROM tbl_news 
      LEFT JOIN  tbl_img ON tbl_img.img_newsid  = tbl_news.id 
      WHERE tbl_img.img_newsid = 'σί'
      ORDER BY tbl_img.img_newsid ASC <br>Illegal mix of collations (utf8mb4_general_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '='