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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.
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
Draw an ER diagram for company''s database schema
Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline the
Explain Superkey Ans: A superkey is described in the relational model of database organization like a set of attributes of a relation variable for which it holds that in all re
Update Anomaly : This anomaly is occurred due to data redundancy. Redundant information makes updates more complex since, for example, varying the name of the instructor of MCS-014
What is data model? Explain object based and record based data models? Ans: A data model is an abstract model in which describes how data is represented and accessed. (i)
Data slice explanation
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
Define Partial Key and Primary Key A partial key, also known as discriminator, is the set of attributes which can uniquely identify weak entities that are related to similar o
Define NULL value NULL value NULL means something is unknown. It does NOT mean null (the digit 0). Null is as well employed as attribute value for a particular entity in which
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