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3 page paper on Entropy as it pertains to Cryptography. The paper must discuss the relationship of Entropy to the likelihood that an attack can be successful, the formula for computing Entropy, and the impact that Shannon's concept of Entropy had on the field of Cryptography, and any other ideas you think are important to be included.
Create a new table named SportingGoods to contain the columns PartNum, Description, OhHand, Warehouse, and Priced for all rows in which the item class is SG.
Describe the different procedure performed in DBMS for student database in which fields are student id, student name, student class, marks.
Artificially small example of B+ tree is shown here (pdf). (Note only part of tree is shown in detail.) What nodes of example B+ tree are visited to find posting list for "dune"?
Assume that data warehouse consists of three dimensions time, customer, and cell phone plan, and two measures number of calls and cell phone bill. Sketch a schema diagram for above data warehouse using star schema.
How many entities are shown by this relation?
What are triggers used for, and why are they significant in database systems? Give an example of situation where a trigger would be appropriate. What would implementation of this trigger look like?
Create a database design specification Enhanced Entity Relationship Diagram (EERD) and Relational Data Model from the given business description - Database Management System
Explain a good strategy for processing each of following queries. Determine all machines at Almaden plant. Determine employee 1 machine.
A database at a college is required to support the following requirements. Complete the information-level design for this set of requirements. Determine any constraints you need that are not stated in the problem.
Use the results of the transcripts of an interview with IT consultant. Prepare a Fully Attributed Data Model. Add the data attributes for each entity."
Suppose you have a table which contains 27,000 data records, and you have unclustered B+ Tree Index on the table.
Use the three-sphere model for systems management and brainstorm issues related to the change based on the business, technology, and organization spheres.
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