Program Classes and Objects

Write a program by creating objects to display student information


Code:

class Student:
    def __init__(self,name,c,rollno,phone,address):
        self.name=name
        self.c=c
        self.rollno=rollno
        self.phone=phone
        self.address=address

    def display(self):
        print('Name : ',self.name)
        print('Class : ',self.c)
        print('Roll No : ',self.rollno)
        print('Phone : ',self.phone)
        print('Address : ',self.address)
        print()


def main():
    john=Student('John','D3CSEA1',1507567,9023074222,'Ludhiana')
    john.display()
    print('********************','\n')
    jennie=Student('Jennie','D3CSEA2',1507542,8725053420,'Patiala')
    jennie.display()


main()

Output:

Best First Search AI

Code :

alist={
    'A':['B','C','D'],
    'B':['H'],
    'C':['G','F'],
    'D':['E','P'],
    'E':[],
    'F':[],
    'G':[],
    'H':['J','I'],
    'I':['M','L','K'],
    'J':[],
    'K':[],
    'L':[],
    'M':[],
    'P':[]

}

hfun={
    'A':0,
    'B':5,
    'C':6,
    'D':3,
    'E':8,
    'F':12,
    'G':14,
    'H':7,
    'I':5,
    'J':6,
    'K':1,
    'L':10,
    'M':2,
    'P':9}

def fsort(v):
    for j in range(0,len(v)):
        for i in range(0,len(v)-j-1):
            if(hfun[v[i]]>hfun[v[i+1]]):
                temp=v[i+1];
                v[i+1]=v[i];
                v[i]=temp;


oqueue=[];
cqueue=[];
goal='I'
oqueue.append('A');
success=Falsewhile len(oqueue)!=0:
    node= oqueue.pop(0)
    if node is goal:
        success=True        break    for i in alist[node]:
        oqueue.append(i)

    cqueue.append(node)

    fsort(oqueue)
    print(cqueue)

if(success):
    print("Found")
else:
    print("Not Found")

Output:
Please try at your IDE

Programs ADS Lab

20.

CREATE PACKAGE emp_sal1 AS  
   PROCEDURE find_sal(empid emp7567.id%type);  
END emp_sal1;

Output:

CREATE OR REPLACE PACKAGE BODY emp_sal1 AS   
    
   PROCEDURE find_sal(empid emp7567.id%TYPE) IS  
   c_sal emp7567.salary%TYPE;  
   BEGIN  
      SELECT salary INTO c_sal  
      FROM emp7567  
      WHERE id = empid;  
      dbms_output.put_line('Salary: '|| c_sal);  
   END find_sal;  
END emp_sal1; 

DECLARE  
   empid emp7567.id%type :=1507567;  
BEGIN  
   emp_sal1.find_sal(empid);  
END;   

21.

Code:

declare
empid emp7567.id%type := &id;
row emp7567%rowtype;
invalid exception;
begin
if empid<=0 then
raise invalid;   --userdefined exception
end if;
select * into row   from emp7567 where id= empid;
dbms_output.put_line('Name ' || row.name);
EXCEPTION
   WHEN no_data_found THEN     --system defined
      dbms_output.put_line('No such Employee!');
   WHEN invalid THEN
      dbms_output.put_line('Error! Invalid Id');
END;

Pl/SQl Programs ADS

16.
declare
cursor cursor is select * from emp7567 order by salary desc;
id emp7567.id%type;
name emp7567.name%type;
salary emp7567.salary%type;
begin
open cursor;
loop
fetch cursor into id,name,salary;
dbms_output.put('Id: '||id||' ');
dbms_output.put('Name: '||name||' ');
dbms_output.put('Salary: '||salary||' ');
dbms_output.put_line(' ');
exit when(cursor%rowcount>5);
end loop;
close cursor;
end;

17.
declare
rows number;
begin

update emp7567
set
salary=salary+0.25*salary;

if sql%notfound then
dbms_output.put_line('No Row Updated');
else
rows:=sql%rowcount;
dbms_output.put_line(rows||' Rows Updated');
end if;


end;

18.

declare
cursor cursor is select * from emp7567;
id emp7567.id%type;
name emp7567.name%type;
salary emp7567.salary%type;
begin
open cursor;
loop
fetch cursor into id,name,salary;
dbms_output.put('Id: '||id||' ');
dbms_output.put('Name: '||name||' ');
dbms_output.put('Salary: '||salary||' ');
dbms_output.put_line(' ');
exit when(cursor%notfound);
end loop;
dbms_output.put_line(cursor%rowcount||' Results Found');
close cursor;
end;

19.

create trigger uppercase7567 before insert  or update on emp7567
for each row
when (New.id>0)
begin
:New.name:=UPPER(:new.name);
end;

20.

PL/SQL Programs ADS Lab

Programs:

1.      1.to display the word “HELLO”

Code: 

declare
word varchar2(10) :='Hello';
begin
dbms_output.put_line(word);
end; 

2.which will get the salary of an employee with particular id from

emp table and display it on the screen

Code:

declare 
ida number :=&a; 
salary emp7567.salary%type; 
begin 
select salary into salary from emp7567 where id=ida; 

dbms_output.put_line(salary); 
 
end;

3.

which

creates two variables in the outer block and assign their product to the third

variable created in the inner block
declare
a number:=75;
b number:=67;
begin
declare
c number;
begin
c :=a*b;
dbms_output.put_line('Product is : '||c);
end;
end;

 4.

which

will increase the salary of the employees by 25%, you can declare a constant

and use it thro

ughout the program

declare
increment number(2):=0.25;
begin
update emp7567
set
tsalary= tsalary + tsalary*increment;

if sql%notfound then
dbms_output.put_line('No Rows Updated');
else
dbms_output.put_line(sql%rowcount||' Rows Updated');
end if;
end;

5.

to declare a record called

employee_rec

based on a user

-

defined type

Code:

DECLARE
   employee_rec emp7567%rowtype;
BEGIN
   SELECT * into employee_rec
   FROM emp7567
   WHERE id = 1507567; 
   dbms_output.put_line('Employee ID: ' || employee_rec.id);
   dbms_output.put_line('Employee Name: ' || employee_rec.name); 
   dbms_output.put_line('Employee Salary: ' || employee_rec.tsalary);
END;  

6.

create procedure adslab  
as 
begin 
 
goto section3; 
 
<< Section1>> 
begin 
dbms_output.put_line('Section 1'); 
goto section4; 
end; 
 
 
<< Section2>> 
begin 
dbms_output.put_line('Section 2'); 
goto section1; 
end; 
 
 
<< Section3>> 
begin 
dbms_output.put_line('Section 3'); 
goto section2; 
end; 
 
 
<< Section4>> 
begin 
dbms_output.put_line('Section 4'); 
end; 
 
end;

7.

which

use the relational operators to compare character values for equality or

inequality.

declare
char varchar2(1):='b';
begin
if char='a' then
dbms_output.put_line('Equal to a');
else
dbms_output.put_line('Not Equal to a');
end if;
end;

8.

declare
input number:=&a;
begin
if Mod(input,2)=0 then
dbms_output.put_line('Even');
else
dbms_output.put_line('Odd');
end if;
end;

9.

declare
input number:=&a;
i number :=1;
begin
loop
dbms_output.put_line(input||' * '||i||' = '||input*i);
i:=i+1;
exit when(i=11);
end loop;
end;

10.

declare
input number:=&a;
i number(1);
begin
for i in 1..10 loop
dbms_output.put_line(input||' * '||i||' = '||input*i);
end loop;
end;

11.
declare
input number:=10;
i number:=1;
begin
while i<11 loop
dbms_output.put_line(input);
input:=input+1;
i :=i+1;
end loop;
end;

12.

declare
j number;
i number;
begin
for i in 1..3 loop
    for j in 1..10 loop
        dbms_output.put(i*j||' ');
    end loop;
    dbms_output.put_line('');
end loop;   

end;

13.

declare
j number;
i number;
begin
<< loop1 >> /*Label of loop*/
for i in 1..4 loop
<< loop2 >>
    for j in 1..10 loop
        dbms_output.put(i*j||' ');
    end loop loop2;
    dbms_output.put_line('');
end loop loop1;   

end;

14.

declare
a number:=1;
begin

while a<10 loop
if a=5 then
    goto breakloop;
else
a:=a+1;
dbms_output.put_line(a);
end if;
end loop;

<<breakloop>>
dbms_output.put_line('Loop Breaked');

end;

15.

declare
Type names is varray(10) of varchar(10);
Type salary is varray(10) of number;
namearray names;
salaryarray salary;
total number;
begin
namearray:=names('John','Jennie','Ben','Ash','May','Max','Broke','Misty','Sherry','Ammmy');
salaryarray:=salary(2500,1200,1400,1500,1700,1230,1450,1681,1421,7567);
total:=namearray.count;
for i in 1..total loop
    insert into emp7567 values(i,namearray(i),salaryarray(i));
end loop;
end;

16.

Giveaway GndecProgramming

PHP and AJAX

Test4.php:

<?php

$q=$_GET['q'];

$c=new mysqli("localhost","root","naina","nearur");

if($c->connect_error){
    die("eror : ".$c->connect_error);
}else{
    $sql="Select * from bank";

    $result=$c->query($sql);
    $h="";
    if($result->num_rows>0){
        while ($row=$result->fetch_assoc()) {
            $n=$row['userid'];
            if(stristr($q, substr($n, 0,strlen($q)))){
                if($h == ""){
                    $h=$n;
                }else{
                    $h.=" , ".$n;               
                }
            }

        }
        echo $h;
    }   
}

 ?>

Test4.html:

<html>
<head>
    <title></title>
<script type="text/javascript">
   
    function show(){
        alert("hello");
       
    }

</script>

<script>
function showHint(str) {
   
    if(str.length==0){
            document.getElementById("h").innerHTML="";
        }else{
        var xmlhttp = new XMLHttpRequest();
        xmlhttp.onreadystatechange = function() {
            if (this.readyState == 4 && this.status == 200) {
                document.getElementById("h").innerHTML = this.responseText;
            }
        };
        xmlhttp.open("GET", "test4.php?q=" + str, true);
        xmlhttp.send();

            /*var xml=new XMLHttpRequest();


            xml.onreadystatechange=function(){
                if(this.readyState==4 && this.status==200){
                    alert("hello");
                    document.getElementById.("h").innerHTML=this.responseText;
                }
            };

            xml.open("POST","test4.php",true);
            xml.setRequestHeader("Content-type","application/x-www-form-urlencoded");
            xml.send("q="+str);*/
        }
}
</script>


</head>
<body>
<form>
<input type="text" onkeyup="showHint(this.value)">
</form>
<p id="h">Suggestions</p>
</body>
</html>