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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.
What it creates while a primary key is combined with a foreign key? It creates Parent-Child relation ship between the tables that connect them while a primary key is combined w
Type of database technology
Partial Key : It is a group of attributes that can uniquely identify small entities and that are related to same base entity. It is sometime named as Discriminator. Altern
What do you mean by Correlated subquery? Subqueries, or nested queries, are used to bring back a set of rows to be used by the parent query. Depending on how the subquery is writ
Explain how you can define an object model of a system. A list of terms that shall be used by end users to describe state and behaviour of objects in system. Different use
Northwind Pty Ltd sells a variety of food products throughout the world. They want to use the reporting features of SAP''s Business Information Warehouse to better understand thei
(1) Insert into PERSON Violated constraint: - Key constraint Reason: - Primary key 1 already exists in PERSON. Dealing: - DBMS could ask the user to provide valid PER
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
a publishing company produce scientific books on various subjects. the books are written by authors who specialize in one particular subject. the company employs editors who, not n
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