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Goldman says that sales and marketing departments frequently complain that their company's databases do not give them with information required for market planning, lead generation, and account management. What does author say is root cause of this problem? What does he suggest as the solution? To what extent are author's assertions consistent with real-world observations? Support the answer with experience and insights.
Explain the use of facts, dimensions and attributes in a star schema model. Explain the use of facts, dimensions and attributes in a star schema model.
The customer is always right -The customer doesn't know what's best. It's the baker's (marketer's) job to educate him. The above statements succinctly point out a subtle battle which rages within the marketing discipline.
What are the functional dependencies among the data represented in this first normal form relation?
Which field or fields cause a table to no longer be in third normal form? In which normal form is denormalized table?
Compute a canonical cover for the above set of functional dependencies (show each step of your derivation with an explanation).
Draw an object-oriented model for a small private airport database that is used to keep track of airplanes, their owners, airport employees, and pilots.
A Relational schema of your database in 3NF, clearly indicating attributes, the data type of each attribute, primary and foreign keys, candidate keys, and which attributes are nullable, giving reasons. List any assumptions you need to make.
Write a program that will ask the user to enter the last names of our candidates in a class officer's president election and the number of votes received each candidate.
What is Recovering a database via rollforward? What is aim of transaction log? What is contained in transaction log?
Use Cases Perform a requirements analysis for the Case Study
The library System stores 3 type of informations: Users ( USID, USNAME, USMob, USEmail, USDept,USStartDate, NofBooks). Create the library database schema Structure.
Convert the table to 3NF. Represent your answer in DBDL. (i.e. Give table name and fields. Underline the primary key. Draw an entity-relationship diagram showing all relationships.)
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