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!
Answer the given questions and also justify your answers with appropriate examples
Question: Find an example of an actual data warehouse. For this example, explain the content, user access methods, purpose, and sources of data (what on-line transaction processing [OLTP] databases feed data into the data warehouse) -
(Ensure that your case is not just a normalized OLTP database that someone has mistakenly misnamed a data warehouse or data mart, or just a vendor's description/advertisement of their product).
In addition to answering the question above, to get full credit on this assignment your data warehouse should be publically accessible so that the rest of the class and I will experience it.
vehiclerentaloz data warehousevehiclerentaloz is a large chain of vehicle rental company over 500 stores distributed
you are the information security officer for a small pharmacy that has recently been opened in the local shopping mall.
Integrity constraint prevent from happening when data is inserted in table which contains this constraint? Let INSERT, UPDATE, and DELETE actions on both child and the parent.
Prove that the algorithm for decomposing a relation schema with a set of FDs into a collection of BCNF relation schemas as described in Section 19.6.1 is correct (i.e., it produces a collection of BCNF relations, and is lossless-join) and terminates.
What is it about a 200 MB video or audio file which makes it so much more of database management challenge than relational database the same size?
Start with LAN on RTA and proceed clockwise. Determine the number that how many total valid host addresses will be wasted on WAN links?
Calculate a canonical cover for above set of functional dependencies (show each step of your derivation with an explanation).
let t1 have the operations rx wx ry wy and t2 have the operations rx wx. consider adding either a commit or abort to
Compare activity (quite theoretical) of the disk (in number of bytes) required for each of both relational. Write down the advantages and inconveniences of new relational scheme.
Show the FDs in this resulting relation. Is it in 2NF Is it in 3NF? Why or why not? (State assumptions, if you make any.)
Write clearly and concisely about Systems Analysis and Development topics using proper writing mechanics and technical style conventions.
List the courses (D-code and C-no), along with the names of the students who are currently taking them. List all the courses (D-code and C-no) that John (i.e., S-Name=''John'') got 'A' grade.
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