DBMS LABWEEKS

8/14/2019 DBMS LABWEEKS

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*Print Armstrong numbers using While Loop in PL/SQL Block

declare

n number(12):=&num1;

s number(12):=0;

d number(12):=n;

r number(12);begin

while(d>=1)

loop

r:=mod(d,10);

s:=s+(r*r*r);

d:=floor(d/10);

end loop;

if(s=n) then

dbms_output.put_line(n||' is a Armstrong');

else

dbms_output.put_line(n||' is not a Armstrong');

end if;

end;

/

*Print character in PL/SQL Block

declare

a number(3):=&num;

b char(1);

begin

b:=chr(a);dbms_output.put_line('char is "'||b||'"');

end;

/

*Print employees commission in PL/SQL Block

declare

eno number(4);

ename varchar(20);

sal number(12,2);

comm number(4);

beginselect empno,ename,sal,comm into eno,ename,sal,comm from epm where

empno=7782;

sal:=sal+nvl(comm,0);

dbms_output.put_line(eno||' '||ename||' '||sal||' '||comm);

end;

/

*Print salary level in PL/SQL Block


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begin

select ename,sal "salary",

case

when sal3000 and sal


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loop

c:=a+b;

dbms_output.put_line(c||' ');

a:=b;

b:=c;

end loop;end;

/

*Print factorial of a given number in PL/SQL Block

declare

n number(3):=&num;

f number(4):=1;

begin

for i in 1..n

loop

f:=f*i;

end loop;

if(n


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c:='THREE';

when 4 then

c:='FOUR';

when 5 then

c:='FIVE';

when 6 thenc:='SIX';

when 7 then

c:='SEVEN';

when 8 then

c:='EIGHT';

when 9 then

c:='NINE';

end case;

dbms_output.put_line(c||' ');

exit when (n


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c:=one(mod(r,10))||'TEEN';

end case;

when 2 then

c:=' TWENTY';

when 3 then

c:=' THIRTY';when 4 then

c:=' FOURTY';

when 5 then

c:=' FIFTY';

when 6 then

c:=' SIXTY';

when 7 then

c:=' SEVENTY';

when 8 then

c:=' EIGHTY';

when 9 then

c:=' NINTY';

end case;

if(mod(n,10)>0 and t>1) then

c:=c||' '||one(mod(n,10));

end if;

return c;

end;

/

*Print words for a given number in PL/SQL Block

create or replace function th(n in number) return varcharis

t number(4);

c varchar(50);

begin

t:=floor(n/1000);

if(t>0) then

c:=tens(t)||' THOUSAND';

end if;

if(mod(n,1000)>0) then

c:=c||' '||hun(mod(n,1000));end if;

return c;

end;

/

*Print words for a given number in PL/SQL Block

declare

n number(10):=&num;


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n1 number(10):=n;

c number(3):=0;

begin

c:=length(n);

case c

when 1 thendbms_output.put_line(one(n));

when 2 then

dbms_output.put_line(tens(n));

when 3 then

dbms_output.put_line(hun(n));

when 4 then

dbms_output.put_line(th(n));

when 5 then

dbms_output.put_line(th(n));

when 6 then

dbms_output.put_line(lakh(n));

when 7 then

dbms_output.put_line(lakh(n));

else

dbms_output.put_line('no too large');

end case;

end;

/

*Print reverse string in PL/SQL Block

declares1 varchar(13):='&string';

s2 varchar(13);

begin

function nis (number s1)

number s2:=revstr(s1);

if(s1=s2) then

dbms_output.put_line('palindrome');

else

dbms_output.put_line('not a palindrome');

end if;end function;

f(5);

end;

/

*Print Reverse number in PL/SQL Block

declare

n varchar(5):='&n';


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l number(2);

r varchar(5);

begin

l:=length(n);

for i in reverse 1..l

loopr:=r||substr(n,i,1);

end loop;

dbms_output.put_line(n);

dbms_output.put_line(r);

end;

*Print sum of numbers in PL/SQL Block

declare

a number(5);

b number(5);

c number(5);

begin

a:=&num1;

b:=&num2;

c:=a+b;

dbms_output.put_line(a||'+'||b||'='||c);

end;

/

Print Armstrong numbers using for loop in PL/SQL Block

declare

n number(12);s number(12):=0;

d number(12);

r number(12);

begin

for i in 1..1000

loop

d:=i;

s:=0;

while(d>=1)

loopr:=mod(d,10);

s:=s+(r*r*r);

d:=floor(d/10);

end loop;

if(s=i) then

dbms_output.put_line(i||' is a Armstrong');

--else


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--dbms_output.put_line(n||' is not a Armstrong');

end if;

end loop;

end;

/

*Create a PL/SQL Block to print series of numbers using functionscreate or replace function fun(n number(3)) return number

is

begin

for i in 1..n

loop

for j in 1..i

loop

dbms_output.put_line(i||' ');

end loop;

--dbms_output.put_line(' ');

end loop;

end ;

declare

n number(3):=&num;

begin

fun(n);

end;

/

*Create a PL/SQL Block to check palindrome of a string using substr function

declaren varchar(5):='&n';

l number(2);

r varchar(5);

begin

l:=length(n);

for i in 1..l loop

for j in 1..i loop

dbms_output.put(substr(n,j,1)||' ');

end loop;

dbms_output.put_line(' ');end loop;

end;

*Create a PL/SQL Block to check palindrome of a string using revstr function

declare

s1 varchar(13):='&string';

s2 varchar(13);


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begin

s2:=revstr(s1);

if(s1=s2) then

dbms_output.put_line('palindrome');

else

dbms_output.put_line('not a palindrome');end if;

end;

/

*Create a PL/SQL Block to print wishing messages according to the timings and use

commit.

declare

a number(3):=to_number(to_char(sysdate,'hh24'),'99');

begin

if(a>0 and a=12 and a


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begin

select ename,sal,comm into a,i.sal,i.comm from pm where empno=7782;

dbms_output.put_line('ename= '||a||' sal='||i.sal);

end;

/*Create a PL/SQL Block to update commission using Row Type.

declare

i epm%type;

begin

update epm set comm=decode(comm,null,3000,0,2000);

end;

/

*Create a PL/SQL Block to print Palindrome of a given number.

declare

n number(4):=&num;

n1 number(4):=n;

s number(6):=0;

begin

loop

s:=s+mod(n1,10);

n1:=floor(n1/10);

exit when(n1


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dbms_output.put_line(j);

end if;

end loop;

end;

/

*Create a PL/SQL block to display factorial of a given number using procedure.create or replace procedure fibno(n in number)

is

f number(4);

begin

for i in 1..n

loop

f:=f*i;

end loop;

if(n0) then


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c:=one(t)||' HUNDRED';

end if;


c:=c||' '||tens(mod(n,100));

end if;

return c;end;

/

*Create a PL/SQL block to display numbers using functions.

create or replace function lakh(n in number) return varchar

is

t number(4);

c varchar(100);

begin

t:=floor(n/100000);

if(t>0) then

c:=tens(t)||' LAKHS';

end if;


c:=c||' '||th(mod(n,100000));

end if;

return c;

end;

/

*Create a PL/SQL block to display numbers using functions.

create or replace function one(n in number) return varchar

isc varchar(10);

begin

case n

when 0 then

c:='ZERO';

when 1 then

c:='ONE';

when 2 then

c:='TWO';

when 3 thenc:='THREE';

when 4 then

c:='FOUR';

when 5 then

c:='FIVE';

when 6 then

c:='SIX';


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when 7 then

c:='SEVEN';

when 8 then

c:='EIGHT';

when 9 then

c:='NINE';end case;

return c;

end;

/

*Create a PL/SQL block to display step numbers using procedures.

create or replace procedure stepnum(n in number)

is

begin

for i in 1..n

loop

for j in 1..i

loop

dbms_output.put(j||' ');

end loop;

dbms_output.put_line(' ');

end loop;

end stepnum;

/

*Create a PL/SQL block to display reverse of given number using functions.

create or replace function rev(n in number) return number

isnum number(5);

begin

select to_number(reverse(to_char(n,'99999'))) into num from dual;

return(num);

end;

/

*Create a PL/SQL block to display reverse of string using functions.

create or replace function revstr(n in varchar) return varchar

is

r varchar(10);l number(3);

begin

l:=length(n);

for i in reverse 1..l

loop

r:=r||substr(n,i,1);

end loop;


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return r;

end;

/

*Create a PL/SQL block to display series of numbers.

begin

dbms_output.put_line(series(5));end;

/

Create a PL/SQL block to display greatest of two numbers.

declare

a number(2):=10;

b number(2):=20;

begin

if(a>b) then

dbms_output.put_line(a);

dbms_output.new_line();


else

dbms_output.put_line(b);



end if;

end;

/

*Create a PL/SQL block to display greatest of three numbers.

declare

a number(2):=10;b number(2):=20;

c number(2):=30;

begin

if(a>b)and(a>c) then




elsif(b>c) then


dbms_output.new_line();dbms_output.put_line(b);

else

dbms_output.put_line(c);


dbms_output.put_line(c);

end if;

end;


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/

19) Create a PL/SQL block which accepts a string and displays the count of vowels ,

words and length of the string.

declare

s varchar(30);

nv int:=0;nw int:=1;

len int;

k varchar(1);

begin

s:=&s;

len:=length(s);

for i in 1..len

loop

k:=substr(s,i,1);

case k

when ' ' then

nw:=nw+1;

when 'a' then

nv:=nv+1;

when 'e' then

nv:=nv+1;

when 'i' then

nv:=nv+1;

when 'o' then

nv:=nv+1;

when 'u' thennv:=nv+1;

when 'A' then

nv:=nv+1;

when 'E' then

nv:=nv+1;

when 'I' then

nv:=nv+1;

when 'O' then

nv:=nv+1;

when 'U' thennv:=nv+1;

else

nv:=nv;

end case;

end loop;

dbms_output.put_line('count of vowels:'||nv);

dbms_output.put_line('count of words:'||nw);


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dbms_output.put_line('length of string:'||len);

end;

*Create a PL/SQL block which prints step number

declare

n number(2);

beginn:=&n;

for i in 0..n+1 loop

for j in 0..i loop

dbms_output.put(' ');

end loop;

for k in 0..(n-i) loop

dbms_output.put(' $');

end loop;

dbms_output.new_line;

end loop;

end;

/

Output:

$ $ $ $ $ $

$ $ $ $ $

$ $ $ $

$ $ $

$ $

$*Create a PL/SQL block which displays particular record using exception.

declare

v_empno number;

begin

select empno into v_empno from emp1 where emp_name='Daniel';

exception

when no_data_found then

insert into emp1 (empno,emp_name,sal) values(223,'Daniel',17000);

end;

*Create a PL/SQL block which displays particular record using case.

declare

v_grade char(1) := upper('&p_grade');

v_appraisal varchar2(20);

begin

v_appraisal := CASE v_grade

when 'A' then 'Excellent'


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when 'B' then 'Very Good'

when 'C' then 'Good'

else 'No such grade'

end;

dbms_output.put_line('Grade: '|| v_grade);

dbms_output.put_line('Appraisal: ' || v_appraisal);end;

/

*Create a PL/SQL block which displays value_error exception.

DECLARE

a VARCHAR2(1);

b VARCHAR2(2) := 'AB';

BEGIN

a := b;

EXCEPTION

WHEN value_error THEN

dbms_output.put_line('You can''t put ['||b||'] in a one character string.');

END;

/

*Create a PL/SQL block which displays value_error exception.

declare

a number;

b varchar2(2);

begin

b:=&b;

a := b;

dbms_output.put_line(' '||a);EXCEPTION



WHEN others THEN

dbms_output.put_line('Caught in outer block ['||SQLERRM||'].');

END;

/

declare

a number;

b varchar2(2);begin

select sal into a from emp1 where emp_name='karthik';

EXCEPTION



WHEN others THEN

dbms_output.put_line('Caught in outer block ['||SQLERRM||'].');


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END;

/

declare

n number;

p varchar2(20);

k number;begin

n:=&n;

k:=mod(n,2);

p:=case k

when 0 then 'Even Number'

when 1 then 'Odd Number'

end;

dbms_output.put_line(' '||p);

end;

/

*print step symbols in plsql block.

declare

n number;

k number;

p number;

m number;

s number;

e number;

d number;

begin

for i in 1..n loopfor j in 1..i loop

if(mod(i,2)=0)

if(mod(j,2)=0)

s:=mod((i+j),2);

m:=case s

when 0 then '*';

when 1 then '#';

end;

end if;

elseif(mod(j,2)=0)

e:=mod((i*j),2);

d:=case e

when 0 then '%'

when 1 then '@'

end if;

end if;


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end loop;

dbms_output.new _line;

end loop;

end;

*print step number in pl/sql block.declare

n number;

begin

n:=&n;

for i in 1..n loop

for j in 1..i loop

dbms_output.put(i||' ');

end loop;


end loop;

end;

/

*print step number in plsql block.

declare

n number(2);

i number(2);

begin

n:=&n;

for i in 0..n loop

for j in 0..i loop

if mod(i,2)=0 thenif mod(j,2)=0 then

dbms_output.put(' 1');

else


end if;

else

if mod(j,2)=0 then


else

dbms_output.put(' 1');end if;

end if;

end loop;


end loop;

end;


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declare

stu student1%rowtype;

begin

select nvl(max(rollno),0) + 1 into stu.rollno from student1;

stu.name:= &name;

stu.sub1:= &marks1;stu.sub2:= &marks2;

Stu.total:=stu.sub1+stu.sub2;

Stu.avg:= stu.total/2;

insert into student1 values stu;

end;

/

declare

Vempno emp.emp_no%TYPE;

Vsal emp.salary%TYPE;

begin

Vempno := &empno;

select sal into vsal from emp where emp_no = Vempno;

dbms_output_put_line(SALARY = || Vsal);

exception

when no_data_found

then

dbms_output.put_line(Employee not found);

end;

/

declare

name varchar2(15);begin

select sname into name from student where marks=96;

dbms_output.put_line('Name is : '||name);

exception

when too_many_rows then

--dbms_output.put_line('Too many students exists with given marks');

dbms_output.put_line(SQLCODE||SQLERRM);

end;

declare

v_empno emp1.empno%type;v_sal emp1.sal%type;

begin

v_empno:=&empno;

select sal into v_sal from emp1 where empno=v_empno;

dbms_output.put_line('Salary: '||v_sal);

exception

/*when no_data_found


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then

dbms_output.put_line('Employee not found..');*/

when others

then


end;/

declare

n number;

k number;

m number;

p number;

begin

n:=&n;

for i in 1..n loop

for j in 1..n loop

k:=mod(i,2);

m:=mod(j,2);

p:=k/m;

dbms_output.put_line('p : '||p);

end loop;

end loop;

exception

when zero_divide then


end;

declare

s1_marks number(3):=null;

s2_marks number(3):=90;



k number(3);

begin

if nullif(s2_marks,s3_marks) is Null then

dbms_output.put_line('s1 and s2 have same marks');

end if;if nullif(s2_marks,s4_marks) is not Null then

dbms_output.put_line('s1 and s2 do not have same marks');

end if;

dbms_output.put_line(coalesce(s1_marks,s2_marks,s3_marks,s4_marks));

end;

DECLARE


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TYPE list IS TABLE OF VARCHAR2(5);

ord list:= list('','','Three','','Five');

harry_potter VARCHAR2(10) := 'Gryffindor';

ron_weasley VARCHAR2(10) := 'Gryffindor';

cedric_diggory VARCHAR2(10) := 'Hufflepuff';

BEGINdbms_output.put_line(COALESCE(ord(1),ord(2),ord(3),ord(4),ord(5)));

IF NULLIF(harry_potter,ron_weasley) IS NULL THEN

dbms_output.put_line('Same house!');

END IF;

IF NULLIF(harry_potter,cedric_diggory) IS NOT NULL THEN

dbms_output.put_line('Different houses!');

END IF;

END;

/

create or replace function

f1(pemp_no in emp2.emp_no%type,

pemp_name out emp2.emp_name%type)

return emp2.emp_name%type

as

begin

select emp_name into pemp_name

from emp2

where emp_no=pemp_no;

return pemp_name;

end f1;

/

declare

pemp_no emp2.emp_no%type;

pemp_name emp2.emp_name%type;

pjob emp2.job%type;

pdept emp2.dept%type;

pdept_no emp2.dept_no%type;

begin

pemp_no:=&pemp_no;

p2(pemp_no,pemp_name,pjob,pdept,pdept_no);dbms_output.put_line(' '||pemp_name||pjob||pdept||pdept_no);

end;

/

create or replace procedure

p1(pemp_no in emp2.emp_no%type,

pemp_name out emp2.emp_name%type)


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as

begin

select emp_name into pemp_name

from emp2


end p1;/

create or replace procedure

p2(pemp_no in emp2.emp_no%type,

pemp_name out emp2.emp_name%type,

pjob out emp2.job%type,

pdept out emp2.dept%type,

pdept_no out emp2.dept_no%type)

as

begin

select emp_name,job,dept,dept_no into pemp_name,pjob,pdept,pdept_no

from emp2


end p2;

/

--The following program declares and raises an exception:

DECLARE

e EXCEPTION;

BEGIN

RAISE e;dbms_output.put_line('Can''t get here.');

EXCEPTION

WHEN OTHERS THEN

IF SQLCODE = 1 THEN

dbms_output.put_line('This is a ['||SQLERRM||'].');

END IF;

END;

/

declarestu1 stu%rowtype;

negative exception;

begin

stu1.sname:='&name';

stu1.sub1:=&sub1;

stu1.sub2:=&sub2;

if stu1.sub1


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then

raise negative;

end if;

stu1.total:=stu1.sub1+stu1.sub2;

stu1.avg:=stu1.total/2;

insert into stu values stu1;exception

when negative then

dbms_output.put_line('Negative(-ve) Marks');

end;

declare

invalid_department exception;

begin

update emp2 set dept_no=&dept_no where dept='&dept';

if sql%notfound

then

raise invalid_department;

end if;

exception

when invalid_department

then

dbms_output.put_line('No Such Department');

end;

BEGINRAISE_APPLICATION_ERROR(-20001,'A not too original message.');

EXCEPTION

WHEN others THEN

dbms_output.put_line(SQLERRM);

END;

/

DECLARE

v_country_id locations.country_id%TYPE := 'IND';

v_location_id locations.location_id%TYPE;v_city locations.city%TYPE := 'Hyderabad';

v_c NUMBER := 1;

BEGIN

SELECT MAX(location_id) INTO v_location_id FROM locations

WHERE country_id = v_country_id and city=v_city;

WHILE v_c


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VALUES(v_country_id,(v_location_id + v_c), v_city);

v_c := v_c + 1;

END LOOP;

END;

/

DECLARE

c NUMBER := 1;

BEGIN

WHILE (c = 1 THEN

c := c + 1;

END IF;

END LOOP;

END;

/

create function revstr(st varchar2)

return varchar2

is

ch varchar2(10);

begin

ch:=NULL;

for i in 1..length(str)

loopch:=ch||substr(st,i,1);

end loop;

return ch;

end;

function created

select revstr('mohini')from dual;

inihom

declares varchar2(10):='madam';

ch varcahr2(10):=NULL;

begin

for i in reverse 1..length(s)

loop

ch:=ch||substr(s,i,1);

end loop;


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if s=ch then

dbms_out.put_line('Palindrome');

else

dbms_out.put_line('Not a Palindrome');

end if;

end;

declare

i number(5):=1;

j number(5);

n number(5):=5;

begin

dbms_output.put_line('Output is:');

while (i


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rem:=mod(rev,10);

if rem=3 or rem=4 or rem=5 or rem=6 or rem=7 or rem=8 or rem=9 then

hiop('teen',rem);

elsif rem=0 then

dbms_output.put('ten');

elsif rem=1 thendbms_output.put('eleven');

elsif rem=2 then

dbms_output.put('tweleve');

end if;

end if;

else

if n=3 then

hiop('hundred and',rem);

elsif n=1 then

hiop('',rem);

else

hiop('thousand',rem);

end if;

end if;

n:=n-1;

rev:=trunc(rev/10);

end loop;


end;

declare

n number(10):=132;

n1 number(10):=0;

j number(10);

n2 number(10);

begin

while (n0)

loop

j:=mod(n,10);n1:=(n1*10)+j;

n:=n/10;

end loop;

n2:=n1;

while (n20)

loop

j:=mod(n2,10);


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n2:=n2/10;

case j

when 1 then

dbms_output.put_line('ONE');

when 0 then

dbms_output.put_line('ZERO');when 2 then

dbms_output.put_line('TWO');

when 3 then

dbms_output.put_line('THREE');

when 4 then

dbms_output.put_line('FOUR');

when 5 then

dbms_output.put_line('FIVE');

when 6 then

dbms_output.put_line('SIX');

when 7 then

dbms_output.put_line('SEVEN');

when 8 then

dbms_output.put_line('EIGHT');

when 9 then

dbms_output.put_line('NINE');

else


end case;

end loop;

end;

declare

a number(4):=&a;

begin

if(mod(a,4):=0)then

dbms_output.put_line(a||'is a leapyear');

else

dbms_output.put_line(a||'is not a leapyear');

endif;

end

o/p

enter value for a:2008

2008 is a leapyear

declare

name varcahr2(10):='&name';


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rollno number(10):='&rollno';

m1 number(5):='&m1';




total number(5);avg number(5,2);

begin

total:=m1+m2+m3+m4;

dbms_output.put_line(total);

avg:=total/4;

dbms_output.put_line(avg);

if avg>75 then

dbms_output.put_line('grade is distinction');

else if avg60 then

dbms_output.put_line('grade is A');

else if avg50 then

dbms_output.put_line('grade is B');

else if avg40 then

dbms_output.put_line('grade is C');

else

dbms_output.put('Fail');

end if;

end;

declare

s varchar2(20):='Hello madam';i number(5):=length(s);

e varchar2(20):=NULL;

begin

while (i>=1)

loop

e:=e||substr(s,i,1);

i:=i-1;

end loop;

dbms_output.put_line('Reverse of string is '||e);

end;

declare

i number(5):=1;

j number(5);

s varchar2(20):='GRIET';

begin

dbms_output.put_line('Output is:');


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while (ic then

if a>d then

dbms_output.put_line('big number is'||a);

else

dbms_output.put_line('big number is'||b);

else if

elseif c>d then

dbms_output.put_line('big number is'||c);

else

dbms_output.put_line('big number is'||d);

end if

end if

end

if b>c then

if b>d then

dbms_output.put_line('big number is'||b);else

dbms_output.put_line('big numnber is'||d);

end if;

end if;

end if;

end;


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declare

s varchar2(50):='hello world,where r u';

i number(5):=0;

j number(5):=0;

c number(5):=0;

m varchar2(20);n varchar2(20);

d number(5):=0;

begin

while (i


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end if;

else

if mod(j,2)=0 then


elsedbms_output.put(' 1');

end if;

end if;

end loop;


end loop;

end;

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