OUTPUT USING ASSIGNMENT
Find the output of the following program:
DECLARE
A CHAR (3) := ONE;
B REAL := 17.5;
BEGIN
DBMS_OUTPUT. PUT_LINE (A= || A || B= || B);
DECLARE
A INTEGER := 1;
C REAL := 170.5;
BEGIN
DBMS_OUTPUT. PUT_LINE (A = || A || B = || B|| C = ||C) ;
END;
DECLARE
C REAL := 1700.5;
BEGIN
DBMS_OUTPUT. PUT_LINE (A = || A || B = || B|| C = ||C) ;
END;
DBMS_OUTPUT. PUT_LINE (A = || A || B = || B) ;
END;
/
A = ONE B =17.5
A = 1 B =17. 5 C =170.5
A = ONE B =17.5 C =1700.5
A = ONE B =17.5
PL/SQL procedure successfully completed.
Find the output of the following program:
declare
na varchar2(25):='CBSE SAMPLE PAPER';
begin
dbms_output.put(substr(na,1,1));
dbms_output.put('.');
dbms_output.put(substr(na,13,1));
dbms_output.put('.');
dbms_output.put(substr(na,-6));
dbms_output.put_line(' ');
end;
/
SQL> /
C.P. PAPER
PL/SQL procedure successfully completed.
OUTPUT USING IF WITH HOST/BIND VARIABLES
Find the output of the following program:
SQL> variable ap number;
SQL> accept gs prompt 'please enter sale amount ' ;
please enter sale amount 1000
SQL> declare
2 vas number(9,2):= &gs;
3 begin
4 if vas>2000 then
5 vas:=vas-500;
6 else
7 vas:=vas-100;
8 end if;
9 :ap:=vas;
10 end;
11 /
old 2: vas number(9,2):=&gs;
new 2: vas number(9,2):=1000;
PL/SQL procedure successfully completed.
SQL> print ap;
AP
---------
900
SQL> accept gs prompt 'please enter sale amount' ;
please enter sale amount3000
SQL> run w
1 declare
2 vas number(9,2):=&gs;
3 begin
4 if vas>2000 then
5 vas:=vas-500;
6 else
7 vas:=vas-100;
8 end if;
9 :ap:=vas;
10* end;
old 2: vas number(9,2):=&gs;
new 2: vas number(9,2):=3000;
PL/SQL procedure successfully completed.
SQL> print ap;
AP
---------
2500
OUTPUT USING FOR
Find the output of the following program:
Declare
i number:=2;
f number:=2;
n number:=&n;
begin
for i in 1..n loop
f := f*I + 2;
dbms_output.put_line( f ||' '||I );
end loop;
end;
Enter value for n: 5
old 4: n number:=&n;
new 4: n number:=5;
4 1
10 2
32 3
130 4
652 5
PL/SQL procedure successfully completed.
Find the output of the following program:
declare
text varchar2(20);
x number;
begin
text:='CBSE EXAMINATION';
for x in REVERSE 1..10 loop
dbms_output.put_line(substr(text,x,1));
end loop;
end;
I
M
A
X
E
E
S
B
C
PL/SQL procedure successfully completed.
OUTPUT USING NESTED FOR
Find the output of the following program:
DECLARE
I NUMBER;
J NUMBER;
BEGIN
FOR I IN 65..69 LOOP
FOR J IN 65..I LOOP
DBMS_OUTPUT.PUT(CHR(J)||' ');
END LOOP;
DBMS_OUTPUT.NEW_LINE;
END LOOP;
END;
/
A
A B
A B C
A B C D
A B C D E
PL/SQL procedure successfully completed.
Find the output of the following program:
declare
i number;
j number;
begin
for i in 1..5 loop
for j in 1..i loop
dbms_output.put('c');
end loop;
dbms_output.new_line;
end loop;
end;
c
cc
ccc
cccc
ccccc
OUTPUT USING WHILE
Find the output of the following program:
declare
C number:=1;
begin
while c<=10 loop
dbms_output.put_line(C*C);
c:= c+1 ;
end loop;
end;
1
4
9
16
25
36
49
64
81
100
PL/SQL procedure successfully completed.
Find the output of the following program:
declare
i number:=1;
s number:=0;
begin
while i<6 loop
dbms_output.put_line(i||' '||i*i);
i:=i+2;
s:=s+i;
end loop;
s:=s/2;
dbms_output.put_line(s);
end;
SQL> /
1 1
3 9
5 25
7.5
PL/SQL procedure successfully completed.
Find the output of the following program:
declare
ctr number:=1;
s number:=0;
begin
while ctr<=10 loop
s:=s+ctr;
dbms_output.put_line('sum upto'||ctr||'is'||s);
ctr:=ctr+1;
end loop;
end;
SQL> /
sum upto1is1
sum upto2is3
sum upto3is6
sum upto4is10
sum upto5is15
sum upto6is21
sum upto7is28
sum upto8is36
sum upto9is45
sum upto10is55
PL/SQL procedure successfully completed.
Find the output of the following program:
declare
no1 number := 15;
no2 number := 22;
begin
while no2>no1 loop
dbms_output.put_line(no2-no1);
no2:=no2-1;
end loop;
end;
SQL> /
7
6
5
4
3
2
1
PL/SQL procedure successfully completed.
Find the output of the following program:
declare
I number :=1 ;
S number :=0;
begin
while I<5 loop
dbms_output.put_line(I || || I*I );
I:=I+1 ;
s:=s+I ;
end loop;
s:=s+i;
dbms_output.put_line(s );
end;
SQL> /
- 1
- 4
- 9
- 16
19
PL/SQL procedure successfully completed.
Find the output of the following program:
Declare
N1 number :=30 ;
N2 number :=40;
begin
while n2>n1 loop
dbms_output.put_line(n1+n2);
n1:= n1+2 ;
end loop;
end;
SQL> /
70
72
74
76
78
PL/SQL procedure successfully completed.
Find the output of the following program:
Declare
A number := 0 ;
b number :=20;
begin
while a<20 loop
dbms_output.put_line(b*20);
a:= a+4;
b:=b-a;
end loop;
end;
SQL> /
40
32
16
-8
-40
PL/SQL procedure successfully completed.
Find the output of the following program:
Declare
A number := 7 ;
b number :=5;
begin
while c<10 loop
dbms_output.put_line(A*b));
c:= c+3;
a:=a+6;
end loop;
end;
SQL> /
35
104
PL/SQL procedure successfully completed.
OUTPUT USING IF & WHILE
Find the output of the following program:
declare
num1 number:=20;
num2 number:=33;
begin
if num2>num1 then
num1:=num1+1;
num2:=num2-1;
while num1<=num2 loop
dbms_output.put_line(num1);
num1 := num1+3;
end loop;
else
if num1>num2 then
num1:=num1-1;
num2:=num2+1;
while num2<=num1 loop
dbms_output.put_line(num2);
num2:=num2+1;
end loop;
end if;
end if ;
end;
/
21
24
27
30
PL/SQL procedure successfully completed.
OUTPUT USING FOR & IF
Find the output of the following program:
declare
name varchar2(10);
x number(2);
begin
name:='INFO';
for x in 1..length(name) loop
dbms_output.put_line(lower(substr(name,x,1)));
if mod(x,2)=0 then
dbms_output.put_line(lower(substr(name,x)));
end if;
end loop;
end;
i
n
nfo
f
o
o
PL/SQL procedure successfully completed.
Find the output of the following program:
declare
name varchar2(10);
x number(2);
begin
name:='ICSKINFO';
for x in 1..length(name)/2 loop
dbms_output.put_line(lower(substr(name,x,1)));
If mod(x,2)=0 then
dbms_output.put_line(UPPER(substr(name,x,1)));
end if;
end loop;
end;
i
c
C
s
k
K
PL/SQL procedure successfully completed.
OUTPUT USING WHILE & IF
Find the output of the following statement:
declare
t number(3) := 0;
s number(3) := 0;
c number(3) := 20;
begin
while c<=80 loop
if c= 40 or c = 60 or c= 80 then
dbms_output.put_line (c || ' ' || s);
t := t+s;
s := 0;
end if;
s := s+c;
c := c+20;
end loop;
dbms_output.put_line(t);
end;
SQL> /
40 20
60 40
80 60
120
PL/SQL procedure successfully completed.
Find the output of the following program:
declare
t number(3) := 30;
s number(3) := 10;
c number(3) := 20;
begin
while c<=40 loop
if c=20 or c=40 then
t := t+s;
else
t := t-s;
end if;
dbms_output.put_line(c||' '||t);
s := s+c;
c := c+10;
end loop;
dbms_output.put_line(c||' '||t||' '||s);
end;
SQL> /
20 40
30 10
40 70
50 70 100
PL/SQL procedure successfully completed.
Find the output of the following program:
declare
t number(3) := 0;
s number(3) := 0;
c number(3) := 20;
begin
while c<=60 loop
if c=20 or c=40 or c=60 then
t := t+s;
dbms_output.put_line(c||' '||s);
s := 0;
end if;
s := s + c;
c := c+ 20;
end loop;
dbms_output.put_line(t);
end;
sql> /
20 0
40 20
60 40
60
PL/SQL procedure successfully completed.
Find the output of the following program:
Declare
W number := 1 ;
begin
while w<4 loop
if w=1 then
dbms_output.put_line( Lower range );
elsif w=2 then
dbms_output.put_line( Middle range );
elsif w=3 then
dbms_output.put_line( Higher range );
end if;
w:= w+1;
end loop;
end;
SQL> /
Lower range
Middle range
Higher range
PL/SQL procedure successfully completed.
OUTPUT USING IF & FOR
OUTPUT USING FOR &IF & WHILE
OUTPUT USING LOOP
Find the output of the following program:
declare
n number := 679;
s number := 0;
r number:=0;
begin
loop exit when n=0;
s := s*10+r;
r := mod(n,10);
s := s+r;
n := trunc(n/10);
dbms_output.put_line ( n ||' ' || s || ' ' || r);
end loop;
end;
/
67 9 9
6 106 7
0 1073 6
PL/SQL procedure successfully completed.
Find the output of the following program:
declare
n number := 375;
s number := 5;
r number := 20;
begin
loop exit when n=0;
s := s+r;
r := mod(n,10) +trunc(s/10);
n := trunc(n/10);
dbms_output.put_line(s||' ' || r || ' ' || n);
end loop;
end;
SQL> /
25 7 37
32 10 3
42 7 0
PL/SQL procedure successfully completed.
Find the output of the following program:
