Question Bank

Q1. Give advantages of DBMS over File system?
Q2. What is a data abstraction? Explain levels of abstraction? What do u mean by physical data independence?

Q3.  Draw ER diagram for railway reservation system. Convert ER-diagram into table?
Q.4 Define the following term with example
a. Single and composite Atribute
b. Single valued and multivalued  attribute
c. Entity Set
d. Relationship set
e. Aggregation
Q.5 Draw and explain Database System architecture?
Q.6 Explain the following relational algebra operations?
a. All fundamental relational algebra operation.
b. Set Intersection
c. Natural join
d. Division
e. Generalize projection
f. Aggregate function
g. Outer Join
Q.7 What is a transaction? Draw State transition diagram and explain properties of transaction?
Q.8.Consider the employee database of Figure 4.13, where the primary keys are underlined.
employee (employee-name, street, city)
works (employee-name, company-name, salary)
company (company-name, city)
manages (employee-name, manager-name)
Figure 4.13 Employee database.
Give an expression in SQL for each of the following queries.
a. Find the names of all employees who work for First Bank Corporation
b. Find the names and cities of residence of all employees who work for First
Bank Corporation.
c. Find the names, street addresses, and cities of residence of all employees
who work for First Bank Corporation and earn more than $10,000.
d. Find all employees in the database who live in the same cities as the companies
for which they work.
e. Find all employees in the database who live in the same cities and on the
same streets as do their managers.
f. Find all employees in the database who do not work for First Bank Corporation.
g. Find all employees in the database who earn more than each employee of
Small Bank Corporation.
h. Assume that the companies may be located in several cities. Find all companies
located in every city in which Small Bank Corporation is located.
i. Find all employees who earn more than the average salary of all employees
of their company.
j. Find the company that has the most employees.
k. Find the company that has the smallest payroll.
l. Find those companies whose employees earn a higher salary, on average,
than the average salary at First Bank Corporation.
Q. 9 Write Short note on:
a. Group by and order by clause in SQL
b. Shadow Copy
Q. 10 Define the follwoing term with suitable example
a. Entity and Entity set
b. Primary key, candidate key, and super key
c. Aggregation
d. Weak entity set
e. Generalization and specialization

SE Comp Assignment

Roll No	Roll No	Roll No	Roll No	Roll No	Roll No	Roll No	Roll No	Roll No	Roll No	Roll No	Paper
1	8	15	22	29	36	43	50	57	64	75	May 08
2	9	16	23	30	37	44	51	58	65	76	Dec 08
3	10	17	24	31	38	45	52	59	66		May 09
4	11	18	25	32	39	46	53	60	67		Dec 09
5	12	19	26	33	40	47	54	61	68		Dec 10
6	13	20	27	34	41	48	55	62	73		May 11
7	14	21	28	35	42	49	56	63	74		Dec 11

Note: submitt three Q. every tue. Handwritten or printout copy both are permitted. Black listed candidates are not allowed to submit the assignment.( Candidate whose attendance is below 30% and candidate who did fraud in the attendance sheet considered as balck listed  candidate ). as a punishment Black listed candidate have to solve all the Question paper. As per university rule if attendance will be less then 75% then your term work will not be accepted kindly make a note of this.

FE B Div (Notice)

All The FE B Div students have to solve the following paper as an assignment.

They can submit hand written or printout copy of the assignment as per their

Convenience. Every Thursday they have to submit three Questions as an assignment

Roll No	Roll No	Roll No	Roll No	Roll No	Roll No	Roll No	Roll No	Roll No	Roll No	Paper
1	8	15	22	29	36	43	50	57	64	Dec 08
2	9	16	23	30	37	44	51	58	65	May 09
3	10	17	24	31	38	45	52	59	66	May 10
4	11	18	25	32	39	46	53	60		Dec 10
5	12	19	26	33	40	47	54	61		May 10
6	13	20	27	34	41	48	55	62		Dec 11
7	14	21	28	35	42	49	56	63		May 11

Click to Download the paper from here