1. Create an anonymous block that will count the number of students whose gr_t1 grade is higher than the average on gr_t1 and display that number. Test the program

The Anonymous Block will be:

 1 DECLARE

 2  

 3  lv_grade_row grade%rowtype;

 4  lv_gr_avg grade.gr_t1%type;

 5  lv_std_name varchar2(80);

 6  cursor cursor_grade is select * from grade;

 7

 8  BEGIN

 9

10  select avg(gr_t1) INTO lv_gr_avg from grade;

11  open cursor_grade;

12  fetch cursor_grade INTO lv_grade_row;

13

14  while cursor_grade%found loop

15

16  if

17  lv_grade_row.gr_t1>lv_gr_avg then lv_std_name :=  

lv_grade_row.std_fname|| ' ' ||lv_grade_row.std_lname|| ' ' ||

lv_grade_row.gr_t1;

18  dbms_output.put_line(lv_std_name);

19

20  end if;

21  fetch cursor_grade into lv_grade_row;

22

Explanation:

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