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Functions — Computer Science STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceComputer ScienceFunctions3 Marks
Question
Write the function definition for the following: (a) A function ADD() accepts two parameters. (b) A function ADD() accepts two parameters and returns a single value. (c) A function Vote_Casting() will accepts age and citizen as parameter returns Boolean value. (d) A function Show () accepts no parameters and returns nothing.
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Consider the following table Student & Stream.

Table: Student

Admno Sname Class Sec Fee Mobile Area S_ID
1001 RAMESH XII A 2500 987654321 Madipur 10
1078 KRISHNA XII B 2400 999911111 Jawala Heri 30
1006 FARDEEN XII C 2600 987654321 Paschim Puri 40
1004 SUBHAM XII A 2500 963025874 Madipur 20
1029 KRITIKA XI C 2700 987456210 Madipur 30
1008 SAMEEKSHA XII A 2450 987123456 Mangol Puri 20
1025 SALMA XII B 2580 998877445 Madipur 30
1036 AMANDEEP XII B 2600 999333555 Khyala 40
1037 TEJAS XI C 2650 987951357 Paschim Puri 40
1029 HIMANSHU XII A 2750 951369874 Jawala Heri 10

Table : Stream

S_ID Stream_name
10 MEDILCAL
20 NON MEDICAL
30 COMMERCE WITH MATH
40 COMMERCE WITH IP
50 HUMANITIES

Write SQL commands for the statements (a) to (h) on the table: Student and Stream
(a) Display class and total fee collected from each class.
(b) Display admission no, students name and stream name.
(c) Display all the student details who have taken Commerce Stream.
(d) Count number of students who have opted for HUMANITIES stream.
(e) Display information of commerce with ip students whose name start with ‘S’. Arrange the record by admission number.
(f) Display details of all students who are in the MEDICAL stream.
(g) Display total fee of ‘Non-Medical’ Student.
(h) Change the name of the Column Sname to Student_Name.

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Consider the following table Student & Stream.

Table: Student

Admno Sname Class Sec Fee Mobile Area S_ID
1001 RAMESH XII A 2500 987654321 Madipur 10
1078 KRISHNA XII B 2400 999911111 Jawala Heri 30
1006 FARDEEN XII C 2600 987654321 Paschim Puri 40
1004 SUBHAM XII A 2500 963025874 Madipur 20
1029 KRITIKA XI C 2700 987456210 Madipur 30
1008 SAMEEKSHA XII A 2450 987123456 Mangol Puri 20
1025 SALMA XII B 2580 998877445 Madipur 30
1036 AMANDEEP XII B 2600 999333555 Khyala 40
1037 TEJAS XI C 2650 987951357 Paschim Puri 40
1029 HIMANSHU XII A 2750 951369874 Jawala Heri 10

Table : Stream

S_ID Stream_name
10 MEDILCAL
20 NON MEDICAL
30 COMMERCE WITH MATH
40 COMMERCE WITH IP
50 HUMANITIES

Write SQL commands for the statements (a) to (h) on the above table: Student and Stream
(a) Identify Primary Keys and Foreign Key in the table student and primary key in Stream table given above.
(b) Display stream id and stream-wise total fee collected.
(c) Count no of students from each area.
(d) Display all the student details those who belongs to Madipur Area.
(e) Increase the fees of all students by10%.
(f) Display unique area from the student table.
(g) Display details of those students whose area contains ‘Puri’.
(h) Display the information of those students who are in class XII and section is either B or C.

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Consider the following table Bank.

Table: Bank

AccNo Cust_name FD_Amount Months Int_Rate FD_Date
1001 Arti Gupta 30000 36 6.00 2018-07-01
1002 Dilip Lal 50000 48 6.75 2018-03-22
1003 Navin Gupta 30000 36 NULL 2018-03-01
1004 D.P. Yadav 80000 60 8.25 2017-06-12
1005 Jyoti Sharma 20000 36 6.50 2017-01-31
1006 Rakesh Kumar 70000 60 8.25 2018-06-15
1007 K.D. Singh 50000 48 NULL 2018-07-05
1008 Anjali Sharma 60000 48 6.75 2017-04-02
1009 Swati Garg 40000 42 6.50 2018-06-15
1010 Rupinder Kaur 25000 36 6.50 2018-09-27

Write SQL commands for the statements (a) to (h) on the table Bank
(a) Display the details of all FD whose rate of interest is in the range 6% to 7%.
(b) Display the Customer Name and FD Amount for all the loans for which the number of Months is 24, 36, or 48(using IN operator).
(c) Display the Account Number, Customer Name and FD Amount for all the FD for which the Customer Name
ends with “Sharma”.
(d) Delete the records of “Rupinder Kaur”.
(e) Add another column Maturity_Amt of type Integer in the Bank table.
(f) To find the average FD amount. Label the column as “Average FD Amount”.
(g) To find the total FD amount which started in the year 2018?
(h) Update Maturity Amount of all bank customers.
a. Maturity Amount = (FD_Amount*Months* Int_rate)/(12*100)

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