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Define the term business intelligence tools? Briefly explain how the data from one end gets transformed into information at the other end?
What do you understand by data ware house? What are the major concepts and terminology used in the study of data warehouse?
What are the data modelling techniques used in data warehousing environment?
limitations and benefits in database tecknowlagy
Define shadow paging. An alternative to log-based crash recovery method is shadow paging. This technique requires fewer disk accesses than do the log-based methods.
What is Nested Trigger? A trigger can also having INSERT, UPDATE and DELETE logic within itself, so when the trigger is fired because of data modification it can also cause ano
Explain the concept of generalization and aggregation in E_R diagrams. Give one example for each one of them? Generalization: Consider extending the entity set account throug
Objectives After Reading this part, you should be able to: Explain the term CONCURRENCY; Describe the term transaction and concurrent transactions; Talk about co
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
There are a number of possible solutions to the open ended brief. One of the simple ones is shown here without the PKs and FKs. It is important to think of how a number of tasks
What are views? Explain how views are different from tables? A view in SQL terminology is a one table in which is derived from other tables. These other tables could be base t
Where does view definition stored? A view definition is permanently stored as part of the database.
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
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