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Database Management System
The Assignment:
Student #
S_Name
S_Address
S_phone
Advisor
A_Room No
Course_code
Course_Name
Credit_
Hours
Instructor Name
Address
Major
1
John
NY
123
Jonah
307
Cs403
DBMS
3
Khan
VU
BCS
2
Smith
LHR
456
Jain
308
BIT
Jason
KAR
789
Nasir
309
Cs401
NW
Habib
MCS
Cs402
SWE
Lodhi
4
Roberta
Texas
654
Sajid
310
MIT
5
Jack
321
6
Jill
MTN
212
Cs404
OS
A.D
Johan
Cs406
NC
Naseeb
Normalize the above mentioned table up to 3rd normal form.
Purposes:
Ensure that you can able to normalize any relation
Objective
Create a database model and Submit the table creation statements for the Database Model.
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Write a query to display using the employees table the EMPLOYEE_ID, FIRST_NAME, LAST_NAME and HIRE_DATE of every employee who was hired after to 1 January, 1995.
Run the lab_03_01.sql script in the attached file to create the SAL_HISTORY table. Display the structure of the SAL_HISTORY table.
Write a query to display the last name, department number, and salary of any employee whose department number and salary both match the department number and salary of any employee who earns a commission.
Write down a SQL insert statement to insert new row in "CDS" table.
Write down actors (or actress, your choice, but not both) who have won at least two (2) Academy Awards for best actor/actress. Provide the actor name, movie title & year. Order the result by actor name."
What is an SQL injection attack? Explain how it works, and what precautions must be taken to prevent SQL injection attacks.What are two advantages of encrypting data stored in the database?
Given the series RLC resonant circuit in the figure, operating at variable frequency, determine: The resonant frequency ω o , The circuit’s quality factor Q , The cut-off frequencies, f 1 & f 2 and the bandwidth BW
Write summary query which uses CUBE operator to return LineItemSum (which is the sum of InvoiceLineItemAmount) group by Account(an alias for AccountDesciption).
As DBA, your manager called a meeting and asked why there are so many orders for customers that don't exist in the customer table. Write query which would shows which customers were missing for existing orders. Use a join or a subquery.
Turn this SQL query into a relational algebra statement? SELECT Request.reqfor, Ordering.invamt, Ordering.invnbr, Ordering.invdat
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