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Initial thought process:
Design a script which was simple and user friendly. Integrate procedures/functions to extract data under the hood. I focused on giving the user the option to retrieve information based on a time period, meaning using start date and end date to define a search constraint. For example, if a user wants information from 1-MAR-12 to 8-MAR-12, he or she can plug those dates in as search parameters.
Queries: I designed the queries to answer the project questions.
Scripts: pop_fact_table.sql, which means populate fact table, receives 2 parameters type, DATE, uses the dateas conditions within a select statement to create a cursor.These parameters are used to set a time period boundary. Also the order_items idsare extracted because they are unique and I used them as a condition to get theoi.movie_id, dml.distributor_id, store_id, o.total_payment, o.tax, number_of_itemsdata from multiple tables. I used order_completed_date because I felt it was importantto extract information for orders completed instead of just using the ordering date.Ordering date does not mean the order was completed. Also I fed this date intoa function which could build my time dimension table and return the time_id to insert into the facts table. Finally, the information gathered from order_items were inserted in the facts table.
Explain Token Ring. Token Ring: A token ring is a collection of single point -to-point links, which arise from a circle. In a token ring a special bi t pattern, termed as th
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Interconnection Network Introduction This unit discusses the types and properties of interconnection networks. In multiprocessor systems, there are multiple I/O modules
The demand placed on a system is explained by a lognormally distributed random variable with mean 50 and standard deviation of 10. The capacity of the system is modeled by a Weibul
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What is disadvantage of Distributed systems? Ans. Reliability is disadvantage of Distributed system.
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What is microfilm? This is a photographic reproduction of a document greatly decreased in size from the original on fine grain, high resolution film. Microfilm needs a reader f
Typical human voice is centered around Hz. (A) 200-400 (B) 280-3000 (C) 400-600
What are the different between hypertext hypermedia? Hypertext is fundamentally the same like regular text; this can be stored, read or searched and edited along with a signifi
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