Class 12 Sumita Arora Solutions
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TYPE B: Short Answer Questions
Que.9.Write declaration for a class that holds properties of a branch. The class holds information like branch-number, area, number of employees, head and the operations associated like branch report printing, branch data modification, pending works reporting, forecasting reporting.
class Branch
{
int branch_no;
char area[20];
int no_of_emp;
char head[20];
print( );
modify( );
pending( );
forecast( );
}
Que.10. Write declaration for a structure that holds same information as that of the class mentioned in question 9.
struct Branch
{
int branch_no;
char area[20];
int no_of_emp;
char head[20];
void print( );
void modify( );
void pending( );
void forecast( );
}
Que.11. Write declaration for a structure that holds information of a student like roll no, name, class, marks and grade.
struct Student
{
int roll_no;
char name[15];
int class;
float marks;
char grade;
}
Que.12.Write declaration for a class that holds the information of Q.11. For associated operations, make suitable assumptions.
class Student
{
int roll_no;
char name[15];
int class;
float marks;
char grade;
void enter_details( );
void display_details( );
}
Updating more...
Solved Exercise from Sumita Arora STRUCTURED QUERY LANGUAGE TYPE A: VERY SHORT ANSWER QUESTIONS 1. Class FROM student; 10. What are views? When can a view be updated? Create a view with one of the columns Salary * 12. Try updating columns of this view. CREATE VIEW emp_view (v_empno,v_empname,v_avgsal) AS SELECT empno, empname.
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