.Query: SELECT sname,glos,total,sho3ba FROM `s2` where `school` like 'السادات الثانوية بنات%' and blockresult='0' order by total desc failed. Unknown column 'school' in 'where clause'1054: Unknown column 'school' in 'where clause'.Query: SELECT sname,glos,total,sho3ba FROM `s2` where `school` like 'السادات الثانوية بنات%' and blockresult='0' order by total desc limit 0,20 failed. Unknown column 'school' in 'where clause'1054: Unknown column 'school' in 'where clause'