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MADURAI KAMARAJ UNIVERSITY

BACHELOR OF COMPUTER APPLICATIONS

PROGRAMMING IN VISUAL BASIC AND ORACLE

(Practical Lab –I)

Submitted by

NAME :

EN.NO. :

CLASS :

MADURAI KAMARAJ UNIVERSITY

Palkalai Nagar, Madurai-625 021

BCA-DISTANCE LEARNING PROGRAMME

BONAFIDE CERTIFICATE

ENROLMENT NUMBER

Certified that this is the bonafide record of work done by _____________________-

________ of the BCA (Batch No.____) -_______Lab for the year 2007-2008 at the

Madurai Kamaraj University (Distance Education) Admission centre, No.11/6,

Bakthavataslam Street, P.M.Apartment, West Tambram, Chennai-45.

Staff-in-Charge Co-ordinator

Submitted for the University Practical Examination held on _______.2009 at the

Madurai Kamaraj University (Distance Education) Admission Centre, No.11/6,

Bakthavatsalam Street, P.M.Apartment, West Tambaram, Chennai -45.

Internal Examiner

External Examiner

CONTENTS

PROGRFAMING IN VISUAL BASIC

Ex.No

Date Particulars Page no

Signature

1. Addition,SubstractionMultiplication Output

2.Fibonacci Series Output

3.Factorial Output

4. Calculator Output

5.Employee Details

CONTENTS

PROGRFAMING IN ORACLE

Ex.No Date Particulars Page no

Signature

1. Print deptno,empno,sal with condition

2. Update salary by 10% for a employee

3.Update a column based on multiple condition

4. Question using cursors

5 Check for duplication

Writing a Visual Basic Program to Addition,

Subtraction Multiplication and Division

Ex No: 1

Date:

Aim: -

Write a program to implement writing an Addition, Subtraction, Multiplication and Division

Output

Algorithm: -

Step 1 – To start the Visual Basic program

Step 2 – Initialize the program.

Step 3 – Declare the main program.

Step 4 – Using Program to writing a Addition, Subtraction, Multiplication and Division.

Step 5 – To save and compile the program.

Step 6 – Run the program.

Step 7 – To stop the program.

1. Write a visual Basic Program to Addition, Substraction, Multiplication and Division

Source Code:

Private Sub Command1_Click()Text3.Text=val(Text1.Text)+Val(Text2.Text)

End Sub

Private Sub Command2_Click()Text3.Text=val(Text1.Text) - Val(Text2.Text)End Sub

Private Sub Command3_Click()Text3.Text=val(Text1.Text) * Val(Text2.Text)End Sub

Private Sub Command4_Click()Text3.Text=val(Text1.Text) / Val(Text2.Text)End Sub

Form:

OUTPUT SCREEN:

Write a Visual Basic Program to Print a Fibonacci

series

Ex No: 2

Date:

Aim: -

Write a Visual basic program to print a Fibonacci series

Algorithm: -

Step 1 – To start the Visual Basic program



Step 4 – Using Program to writing a Visual basic program to print a Fibonacci series




2. Write a visual Basic Program to print a Fibonacci series:

Source Code:Private Sub Command1_click()Dim X As IntegerX=InputBOX(“Enter the value(greater than 1)”)Dim oi,n,c As IntegerOi=0N=1Print”The fibo is as follows”Print oiPrint nFor l=1 To X-2C=oi+nPrint cOi=nN=cNext lEnd Sub

Form:

OUTPUT SCREEN:

Write a Visual Basic Program to calculate Factorial of the given value

Ex No: 3

Date:

Aim: -

Write a Visual Basic Program to calculate Factorial of the given value

Algorithm: -

Step 1 – To start the program.

Step 2 – Initialize the Program.


Step 4 – writing a Visual Basic Program to calculate Factorial of the given value




3. Write a Visual Basic Program to calculate Factorial of the given value

Source Code:

Private Sub Command1_Click()Dim X As IntegerDim oi,n,c As IntegerOi=0N=1X=InputBox(“Enter the Value”)Print “The Fact value is…..”For I = 1 To X N=n * iNext iPrint nEnd Sub

Form :

OUTPUT SCREEN:

Write a visual Basic Program to create

calculator

Ex No: 4

Date:

Aim: -

Write a visual Basic Program to create calculator.

Algorithm: -


Step 2 – Initialize the Program.


Step 4 – writing a Visual Basic Program to create calculator




4. Write a visual Basic Program to create calculator

Source Code:Dim SDim OP As String

Private Sub Command1_Click()Text1.Text=Text1.Text + Command1.CaptionEnd Sub



Private Sub Command4_Click()Text1.Text=Text1.Text + Command4.CaptionEnd SubPrivate Sub Command5_Click()Text1.Text=Text1.Text + Command5.CaptionEnd Sub




Private Sub Command9_Click()Text1.Text=Text1.Text + Command9.CaptionEnd SubPrivate Sub Command10_Click()Text1.Text=Text1.Text + Command10.CaptionEnd Sub

Private Sub Command11_Click()

S=Text1.TextOP=Command11.CaptionText1.Text=””End Sub

Private Sub Command12_Click()S=Text1.TextOP=Command12.CaptionText1.Text=””End Sub

Private Sub Command13_Click()S=Text1.TextOP=Command13.CaptionText1.Text=””End SubPrivate Sub Command14_Click()S=Text1.TextOP=Command14.CaptionText1.Text=””End Sub

Private Sub Command15_Click()S=Text1.TextOP=Command15.CaptionText1.Text=””End SubPrivate Sub Command16_Click()If OP =”+” Then Text1.Text=Val(Text1.Text) + Val(S)Elself OP=”-“ Then Text1.Text=Val(S) – Val(Text1.Text)Elself OP=” * “ Then Text1.Text=Val(S) * Val(Text1.Text)Elself OP=” / “ Then Text1.Text=Val(S) / Val(Text1.Text)Elself OP=”SQRT” Then Text1.Text=Sqr(Val(Text1.Text))End If

End Sub

Private Sub Command17_Click()Text1.Text=””End Sub

Form :

OUTPUT SCREEN :

Write a Visual Basic Program Employee Details

Ex No: 5

Date:

Aim: -

Write a Visual Basic Program Employee Details

Algorithm: -




Step 4 – writing a Visual Basic Program Employee Details




5. Write a Visual Basic Program Employee Details

Source Code:

Public RSTem As RecordsetPublic DBSEMP As DatabasePrivate Sub Command1_Click()Command1.Enabled=FalseCommand2.Enabled=TrueOption1.Visible=FalseOption2.Visible=TrueEnd Sub

Private Sub Command2_click()If Command3.Tag<>”EDIT”ThenRSTem.AddNewElseRSTem.EditEnd IfRSTem.Fields(“ENO”).Value=Text2.TextRSTem.Fields(“ENAME”).Value=Text1.TextIf Option1.Value=True Then RSTem.Fields(“SEX”).Value=”Male”Else RSTem.Fields(“SEX”).Value=”FeMale”End IfRSTem.Fields(“basicpay”).Value=Text3.TextRSTem.Fields(“department”).Value=Text4.Text RSTem.UpdateCommand2.Enabled=FalseCommand1.Enabled=TrueEnd Sub

Private Sub Command3_click()Command2.Enabled = True x = InputBox(“Enter Employee No.:”)RSTem.Index = “PRIMARYKEY”RSTem.Seek”=”,xIf RSTem.NoMatch=False Then Text1.Text=RSTem.Fields(“ENO”).Value Text2.Text=RSTem.Fields(“ENAME”).ValueIf RSTem.Fields(“SEX”).Value=”Male”Then Option1.Value=True Option2.Value=FalseElse Optin1.Value=False Option2.Value=TrueEnd If

Text3.Text=RSTem.Fields(“basicpay”).Value Text4.Text=RSTem.Fields(“department”).ValueEnd If

Command3.Tag = “EDIT”‘Text5.Visible=TrueOption1.Visible=FalseOption2.Visible=FalseEnd Sub

Private Sub Command4_click()Data1.Recordset.DeleteData1.Recordset.MoveNextEnd Sub

Private Sub Form_load()Set DBSEMP = OpenDatabase(“D:\kbln project\emp.MDB”)Set RSTem=DBSEMP.OpenRecordset(“employeemst”)End Sub

Private Sub Option1_click()‘Text5.Text=”Male”End Sub

Private Sub Option2_click()‘Text5.Text=”FEMALE”End Sub

DATABASE IN ACCESS:

OUTPUT SCREEN:

ORACLE

Print the DEPTNO,EMPNO,SAL from emp where

ename=’SMITH’

Ex No: 1

Date :

Aim: -

Write a program to implement Print the DEPTNO,EMPNO,SAL from emp where ename=’SMITH’.

Algorithm: -

Step 1 – To start the program



Step 4 – Using Program to Print the DEPTNO,EMPNO,SAL from emp where ename=’SMITH’.




1. Print the DEPTNO,EMPNO,SAL from emp where ename=’SMITH’.

Source Code:

Declare

Vename varchar2(15);

Vdeptno number;

Vempno number;

Vsal number;

Begin

Select ename deptno,empno,sal into vename vdeptno,vsal

From emp where ename =’SMITH’;

dbms_output.line(‘DEPNO ‘II’ EMPNO ‘II’ SALARY’);

dbms_output.line(vdeptno,vempno,vsal);

OUTPUT:

DEPTNO II EMPNO II SALARY

10001 1234 15000

10024 0954 12000

10005 1456 24000

3 rows selected

Upgrade the salary of a employee by 10% of its original salary.Print the old salary as well as new salary.Accept ename as runtime Parameter

Ex No: 2

Date:

Aim: -

Write a program to implement writing Upgrade the salary of a employee by 10% of its original salary.Print the old salary as well as new salary.Accept ename as runtime Parameter

Algorithm: -




Step 4 – Using Program to writing Upgrade the salary of a employee by 10% of its original salary.Print the old salary as well as new salary.Accept ename as runtime Parameter




2. Upgrade the salary of a employee by 10% of its original salary.Print the old salary as well as new salary.Accept ename as runtime Parameter

Declare

Vsal number; Vempno number; Vename varchar2(15); Vdeptno number;Begin Vempno :=&n; Select ename,deptno,empno,sal into vename,vdeptno,vempno,vsal from emp Where empno = vempno;Dbms_output.put_line(‘Old Salary ‘||vsal);Vsal := vsal + (0.1 * vsal);Update emp Set sal = vsal Where empno=vempno;Dbms_output.put_line(‘New salary : ‘||vsal);End;

OUTPUT :

>Enter the Value :>1001 Old Salary :10000 New Salary:11000

1 rows selected.

(Assuming the employee with the id no.1001 present salary Rs.10000/-)

Update the comm. Column of all employee if

Ex No: 3

Date:

Aim: -

Write a program to implement Update the comm. Column of all employee if

Algorithm: -




Step 4 – Using Program to writing an Addition, Subtraction, Multiplication and Division.




3. Update the comm. Column of all employee if

Salary is > 1000 then comm =500, Salary is > 2000 then comm =1000, Salary is > 3000 then comm =2000 Use for I in (select * from emp)

Declare Vsal number; Vename varchar2(15) Vdeptno number; Vcomm number; Vempno number;Begin

For I in (select * from emp)Loop Select sal,empno,ename,comm. From emp where i.empno=empno; If vsal > 3000 then Vcomm :=2000;

Elseif vsal > 2000 then Vcomm :=1000; Else Vcomm :=500;EndifUpdate empSetcomm=vcomm where 1.empno=empno;Dbms_output.put_line(‘Commission :’||vcomm);End loop;End;

OUTPUT:

COMMISSION : 1000

1 rows selected

Do the above question using cursors

Ex No: 4

Date:

Aim: -

Write a program to implement Do the above question using cursors

Algorithm: -




Step 4 – Using Program to writing Do the above question using cursors.

Step 5 – To save the program.



4. Do the above question using cursors

Declare

vempno emp.empno%type;

vcomm emp.comm%type;

vsal emp.sal%type;

vename emp.ename%type;

cursor AAA is select empno,ename,sal,comm from emp;

begin

open AAA;

loop

fetch AAA into vempno,vename,vsal,vcomm;

exit when AAA%notfound;

if vsal>3000 then

vcomm :=1000;

else vcomm :=500;

end if;

update emp set comm.=vcomm

where empno = vempno;

dbms_output.put_line(‘Ename ‘II ‘Commission’);

dbms_output.put_line(vename II ‘ ‘ II vcomm);

end loop;

close AAA;

end;

OUTPUT:

ENAME II Commission

------------------------------------------

SAM 1000

RAJ 500

RAJU 1000

3 rows selected.

Check for Duplication for the key field Empno

Ex No: 5

Date:

Aim: -

Check for Duplication for the key field Empno

Algorithm: -




Step 4 – Check for Duplication for the key field Empno

Step 5 – To save the program.



5. Check for Duplication for the key field Empno

Declare

Vempno emp.empno%type := &empno;

Vempno emp.empname%type := &vename;

Vsal emp.sal%type := &vsal;

Vdeptno emp.deptno%type := &vdeptno;

n number

begin

select count(*) into n from emp

where empno=vempno;

if n>0 then

dbms_output.putline(‘Duplicate empno’);

else

insert into emp(empno,ename,sal,deptno)

values (vempno,vename,vsal,vdeptno);

end if;

end;

OUTPUT:

This will accept employee details from curser and check for duplicate empno from the table emp and if duplication is not there then insert a record to the table.

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