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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
Advantages and disadvantages of icloud based storage
composite attribute
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
Which model is record based logical model? Network Modelis basically known as record based logical model.
Define in which normalisation form if an attribute of a composite key is dependent on an attribute of other composite key. Ans: 3NF A relation is in 3 NF if an attribute of
Lack of Redundancy We have talked about the problems of repetition of information in a database. Such repetition should be stay away as much as possible. Let us state once again t
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
Gyan Gurukul is a software company that provides software related solution. Ashutosh Dubey who is the director of Gyan Gurukul want a three-level schema architecture for the Gyan G
Limitations of File Based System The file-based system has some limitations. The limitations are listed as follows: Isolation and separation of data: When the data is
What is the use of unique function? UNIQUE function: If UNIQUE is specified then only unique values are used to computed the mean.
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