Ques
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abhijeetkushwaha -
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stuname roll age citymarksroll m1 m2 m3resroll total per division1. wap to input name,roll,age,city & put to stu tableensure that roll must be unique (do not use primary key in table)2. wap to input roll,marks of three subjects & calculatetotal=m1+m2+m3per=total*100/300division failed per=33put roll,m1,m2,m3 into the marks tableput roll, total, per, division into the res table3. input roll & show name,age,city,per,division,m1 of the student4. count that how many duplicate entry of roll is in the marks table5. count total number of failed students & total number of passed studentsselect name,roll,to_char(dob,'yyyy') from abc;select name,roll,to_number(to_char(dob,'yyyy')) from abc;create self pointer allocation for the working class to define the access memory & processbt.addACtionListener(this)if(ev.getSource()==bt){}