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A file of student records contains name, gender (M or F), age (in years) and marital status (single or married) for each student. Design an algorithm that will read through the file and calculate the numbers of married men, single men, married women and single women. Print these numbers on a student summary report. If any single men are over 30 years of age, print their names and ages on a separate eligible bachelors report.
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.
Complete database exercise by converting user form located the evaluation procedures section of the syllabus into 1NF and 2NF.
What are triggers used for, and why are they important in database systems? Provide an example of a situation where a trigger would be appropriate.
Write the functional dependencies in the following table that concerns invoicing (an application Premiere Products in considering adding to its database), subject to the specified conditions.
Describe the characteristics of a Relational Database Management System (RDBMS).
Explain how much the modulating signal power is required to generate 100 percent modulation? What is the approximate center frequency of filter required to pass the lower sideband?
Data Modelling (database) require 8 page essay covering the following subjects: Organizational Intelligence. It must specifically talk about organizational intellignece being outcome of organization's efforts.
Using your knowledge of Premiere Products, determine the functional dependencies that exist in the following table.
Using Join, list the items each customer ordered where the billing_price was lower than the item price (item, billing_price, and price). Sort the results alphabetically by customer name.
How can you make your database more hacker proof? How do you ensure the security of an organizations distributed database?
Explain why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?
Create a link list in ADT c to maintain employee information like name,empid,basic salary and address.1.add employee info to the list if the empid is valid.
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