9) State some of the disadvantages of data ware houses?
Some of the disadvantages are as follows: -
1) Data ware house can be costly due to high maintenance of the database. It is usually not static.
2) There is always a risk of it delivering outdated results which makes it less productive.
3) A fine line exists between data ware house and operational systems.
10) Explain about the bottom up design?
Some of the disadvantages are as follows: -
1) Data ware house can be costly due to high maintenance of the database. It is usually not static.
2) There is always a risk of it delivering outdated results which makes it less productive.
3) A fine line exists between data ware house and operational systems.
10) Explain about the bottom up design?
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