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Problem
1 What is a Data Warehouse? Mention its advantages
2 Explain the Top-Down and Bottom-up Data Warehouse development Methodologies
3 What is Data Transformation? Explain the tasks involved in it
4 Why are the operational system keys not recommended for forming data warehouse primary keys? Give any two examples
Use of partial data by applications : In common, applications work with views rather than whole relations. Thus, it may be more appropriate to work with subsets of relations rather
i need help for assignment ..
Explain the database Planning Project ?
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
PHYSICAL DBMS ARCHITECTURE The physical architecture defines the software components used to process and enter data, and how these software components are related and interc
What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
please i request for your assistance in developing a case-based online phone repair
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
Increased overheads on update : On the drawbacks side, it will need the system to ensure that all replicas of a relation are consistent. This shows that all the replicas of the rel
Design a database for an airline.The database must keep track of customers and their reservations,flights and their status, seat assignment on individual flights and, the schedule
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