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Question 1:
(a) Explain the legal meaning of :-
(i) Computer Service Person
(ii) Data holding (b) Explain how the law ensures Data protection and Security.
Question 2:
The aim of the Electronic Transaction Act 2000 is to provide for a suitable legal structure to facilitate electronic transactions and communications by regulating electronic records and digital signatures in Mauritius. Examine the provisions of this law which intervenes in favour of the validity of electronic records and digital signatures.
Consider the following relational schema: Doctor(DName,Reg_no) Patient(Pname, Disease) Assigned_To (Pname,Dname) Give expression in both Tuple calculus and Domain calculus for
The participation Constraints shows whether the existence of an entity depends on its being associated to another entity by the relationship type. There are two kinds of participat
How can you map NULL values to other values while display? IF( ) , IFNULL( ) keywords are used to do so. They are 'LIMIT' is used for the following kinds of problems: 1) Ans
What are the General Transformation Rules for Relational operations? Ans: The transformation rules transform one relational algebra expression to AN EQUIVALENT ONE 1. E
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
Describe the Composite Key Composite Key: Sometimes one key is not enough to uniquely recognize a row. E.g. in a single class Roll is enough to search a student, but in the w
What is database Trigger? A database trigger is a PL/SQL block that can explained to automatically execute for insert, update, and delete statements against a table. The trigge
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
Eliminate Redundant Data In the "Database Relation" above, the primary key is made up of the D-ID and the Emp-ID. The database-name relies only on the D-ID. The similar databas
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