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Business Intelligence and Data Warehouses
Businesses today are extremely reliant on large amounts of data for making intelligent business decisions. Likewise, the data warehouses are often structured in a manner that optimizes processing large amounts of data.
Write a two to three (2-3) page paper in which you:
In 250 - 300 words describe role of a database administrator and the tasks performed by this role. Also, describe why this role is important in Database Management.
Draw the corresponding GRD, exhibiting all the primary keys and foreign keys. For simplicity, no other attributes nor multiplicity constraints are required.
Pharmacy systems today are more efficient and user friendly when compared to the systems 20 years ago.
The problems use the customer, orderTbl, and Employee tables of the simplified Order Entry database. Chapters 4 and 10 extend the database to increase its usefulness.
In 500 words or less, trace the history of the development of databases beginning with pre-computer days to the present.
Let R be a relation schema with a set F of FDs. Prove that the decomposition of R into R1 and R2 is lossless-join if and only if F+ contains R1 ∩ R2 → R1 or R1 ∩ R2 → R2.
Create a link list in ADT c to maintain employee information like name,empid,basic salary and address.1.add employee info to the list if the empid is valid.
Consider a student club or organization in which you are a member. What are the data entities of this enterprise? List and define each entity.
Regional Gardens Ltd is a company that runs number related gardening enterprises. It has a large display garden that it opens for public inspection a number of times in a year.
What is the time required to read a ?le containing 100,000 records of 100 bytes each in a random order? To read a record, the block containing the record has to be fetched from disk. Assume that each block request incurs the average seek time and rot..
Explain the idea for the database along with the thoughts for partitioned view. How would you utilize this partitioned view?
Who knows how to make an ERD for database
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