Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Design a data warehouse for a electronics store chain. The chain has 20 stores in 5 cities. Each store has different sections including computers, DVDs, TVs, audio, home appliances etc. Each store has roughly 5,000 individual items. Each item is identified by an SKU (Stock Keeping Unit) and/or UPC (Universal Product Code). Go over the four design steps and create a detailed schema of the fact and dimensions tables with all the required attributes.
Consider a relation schema r(A,B,C,D,E, F) and a set of functional dependencies {A BCD,BCDE,BD,DA}. Determine whether or not (A,E, F) is in BCNF and justify your answer. If (A,E, F) is not in BCNF,find a BCNF decomposition of it.
Select an appropriate statistical measure to compare consistency of sales. Make the calculations and write a report. In your calculations, include the mean sales for each salesperson.
Describe the database and describe the four characteristics of the database? Explain the Relational Database and generate a relational database for five employees.
determine the functional dependencies that exist in the following table. After determining the functional dependencies, convert this table to an equivalent collection of tables.
At this point in the design process, you would have a detailed physical schema created for a database. How would you approach converting your schema into a database, complete with sample data? Explain your approach in two to three paragraphs.
Explain the differences between the storing data in Access and Excel. Why you would use a spreadsheet over the database?
Examples for small n are given bellow, where a small square box represents an unsuccessful search. Prove that leaves of any binary search tree are located in the bottom two levels.
Start with LAN on RTA and proceed clockwise. Determine the number that how many total valid host addresses will be wasted on WAN links?
Draw an inheritance hierarchy to represent a shoe object. The base class should have derived classes of Dress Shoes, Tennis Shoes and Boots.
VSS has an existing software package that controls its high bay systems and wants to rewrite it. The existing system is written in C and uses C-ISAM files to store data.
Suppose we are to design a registrar's database to store information about students, courses, the courses students have taken. Convert the E/R diagram into a relational schema.
Create a state transition diagram that describes typical student states and how they change based on specific actions and events.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd