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Consider the table student and list names of students in the departments other than maths and computer.
SELECT std_name FRM student WHERE dept_name NOT IN(‘Maths','Computer);
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
What is the use of integrity constraints? Integrity constraints make sure that changes made to the database by authorized users do not result in a loss of data consistency. The
What is Management System? A management system is a set of rules and process which help us to create organize and manipulate the database. It also helps us to add, change delet
what are the main characteristics of database
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
Give some encryption techniques? A) DES B) AES C) Public key encryption
Explain the EXEC statement in SQL Ans: All statements which start with EXEC SQL are embedded SQL database statements. High level languages such as C can be employed to write a
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
We want have a website; we need to test the security of our website. You need to: -Try to bypass our security by simulate a website hacking -Try some hack Techniques like
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