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Question:
a) What is Client/Server and what benefits can be expected from Client/Server systems?
b) Explain what middleware is and what it does. Why would MIS managers be particularly interested in such software?
c) What is a 3-Tier architecture, and what are the benefits of setting up one. Support your answer with appropriate diagram.
d) Discuss the different levels of security that should be established in a client/server database system.
Define a table in SQL known as Client that is used to store information about the clients. Define CLIENT_NO as the primary key whose first letter must begin with ‘C'. Also ensure t
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
Example : Search the name, department number and salary of employees drawing minimum salary in that department. SELECT ENAME, SAL, DEPTNO FROM EMP WHERE SAL IN (SELECT MI
What is a recursive relationship? Give an example not used in the text. A recursive relationship is a relationship among an entity and itself. For example, given the entity PER
Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pictori
explain multi key file organisation
What are the parts of SQL language? The SQL language has various parts: data - definitition language Data manipulation language View definition Transaction contr
how to solve the C type problems?
Explain Growing Phase of locking Growing Phase: In this phase the transaction can only obtain locks, but cannot release any lock. The transaction enters the growing phase as so
Determine the Three Views of Data We know that the similar thing, if viewed from dissimilar angles produces difference sights. Similarly, the database that we have formed alrea
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