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A. Give the relational algebra expression for the following English queries.1. Get the supplier# who supply all the blue parts2. Get the suppliers names who supply all the parts located in London3. Give the details of suppliers in Athens4. Give details of shipments where the quantity shipped is less than 2005. Give details of parts stored in Paris6. Give the names and numbers of London-based suppliers7. Give the names of blue Parts8. Give the part number for parts weighting less than 209. Give details of parts supplied by S210. Give the color of parts supplied by S311. Where are the suppliers of P2 located12. Get supplier numbers for suppliers who supply parts located in either Paris or London13. Get part numbers for parts supplied by a supplier in the same city as the part14. Get part numbers for parts based in London, supplied by a London supplier15. Get supplier numbers for suppliers not supplying red parts
B. Based on the database, show the result relation in each case (15 marks)1. result:= select S where status >"20"2. Result:= project P over city3. R1:= project S over S#, cityR2:=project P over P#, cityresult:=join R1, R2 over cityC. Show the result relation for each step. You must show how the divide operation worksto get full marks (10 marks).R0:=select P where Pname="CAM"R1:= project R0 over P#R2:=project SP over S#, P# Result:= divide R2 by R1
You are creating a family budget for the year, using a spreadsheet application. Which is the best category of software to apply here? Select Yes or No for each option.
Paper Review of "Making the World (of Communications) a Different Place" - David D. Clark, Craig Partridge, Robert T. Braden, Bruce Davie, Sally Floyd, Van Jacobson, Dina Katabi, Greg Minshall, K.K. Ramakrishnan, Timothy Roscoe, Ion Stoica, JohnWr..
Given the following business scenario, create a Crow's Foot ERD using a specialization hierarchy if appropriate.
What is the difference between the If Then ElseIF clause and a Nested If Block? Please provide examples of how you would use each.
Then implement function drawLevy() so it takes non-negative integer n as input and draws the levy curve Ln using instructions obtained from function levy(). Don't forget doc strings and comments.
Let the public key associated with an RSA key be (3,15) where e = 3 is the encryption exponent, and n = 15 is the modulus. The corresponding decryption exponent d is then
Review the WBS and Gantt chart you created for Tasks Propose three to five additional activities that would help you estimate resources and durations. Write a one-page paper describing these new activities.
The predicate should take two arguments: a list corresponding to the program to execute, and a list corresponding to the contents of the resulting stack.
Research two asymmetric encryption algorithms. For each algorithm, list the key lengths used, outline the encryption process, and name at least one application that uses the algorithm. This assignment must be 1 page. Cite all sources/ reference..
Assume two more calls are made after the maximum value from part (a) is reached. How many register windows must be saved to memory as a result?
Store the corresponding indices in registers AX and BX respectively.
Explain the need of software engineering in the software project development.
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