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Question :
(a) Differentiate between database integrity and database security
(b) Database security involves measures to avoid loss of privacy and loss of confidentiality. Describe what is meant by the above terms.
(c) In the context of database security explain how the following database features help to enforce security in the database system:
(i) Access Control (ii) Authorisation (iii) Views
(d) Differentiate between a Mandatory Access Control and a Discretionary Access Control. Which one is more rigid to the modification of the privilege assigned to users?
(e) Write SQL code to prepare a view of name Toronto_view that contains all the record of customers(Customer_ID, Customer_Name, Customer_Address, City, State, Postal_Code) that resides in the city of Toronto.
(f) Write SQL code to give the select, update, delete and insert privilege to the view created above to Tom. The update privilege will only allow Tom to update the customer_name column only.
Define Catalog and meta data ? A catalog is a compilation of records elaborating the contents of a particular collection or group of collections. Metadata (Meta data, or someti
The database application project (DAP) for this assignment consists of the creation of a fully functional Microsoft Access database application for a real client. I recommend you s
What is a virtual table that draws its data from the result of an SQL SELECT statement? View is a virtual table that draws its data from the result of an SQL SELECT statement.
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
What three major types of actions includes databases? Briefly discuss these The three major types of actions including databases are: (i) Defining: It includes specifyin
Consider a table student (std_id, std_name, date_of_birth, percent_marks, dept_name). Write a QBE query to display names of Computer Science department students who have scored mo
Question: (a) With the help of a diagram, explain the TOGAF framework for enterprise architectures. (b) Where would you position enterprise architectures in an enterpri
CREATE TABLE prodtrans ( pno number (4) ptype char (1) CHECK (ptype in ('I','R','S')), qty number (5) FOREIGN KEY pno REFERENCES product (pno) ON DELETE CASCADE);
What is horizontal fragmentation? Horizontal fragmentation divides the relation by assuming every tuple of r to one or more fragments
What is entity in DBMS? Entity: A DBMS entity is either a thing in the modelled world or a drawing element in an ERD.
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