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write a program to keep track of a CD or DVD collection. This can only work exclusively with either CDs or DVDs since some of the data is different. The data will be stored ina file. The data from the file will be stored ina text file as records. Each CD/DVD in the collection will be represented as a class, so you will have one class that is the CD/DVD.
The CD class will be limited to 5 songs on that CD. So the class will need to keep an array of 5 strings for the song titles. It should also maintain the length of each song and the total length of the CD. the class will also have the artist name.
The DVD class will have data members for the title of the movie, the length of the movie, the year of the movie and the names of two of the main actors in the movie.
There will be a class that maintains the list of CD/DVDs. This list can be limited to just 5 CD/DVDs. The list provides methods to add a CD/DVD, remove a CD/DVD, and update a CD/DVD.
The program should provide a menu for the user to be able to add, delete, update and display the information in a CD/DVD.
The DBA denormalized some of the data in Premiere Products database to enhance performance, and one of the resulting tables is following.
Suggest how to implement direct-address table in which keys of stored elements don't require to be distinct and elements can have satellite data.
The GFF3 format is a commonly-used one in bioinformatics for representing sequence annotation and which ID (cv_id) corresponds to the GO ontology stored in the database and how many controlled vocabulary terms (cvterm table) are linked to the GO onto..
Assume that 30% of science students are majoring in biology. Would you consider to be novel with respect to rule? Describe. Calculate confidence and support of rule.
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."
Describe how to create a query in Access Query Wizard equilvant to the query: SELECT first, last, department, hours FROM payroll WHERE hours>.
Describe the characteristics of a Relational Database Management System (RDBMS).
Find the entities from the functional requirements. Entities can come from Nouns in the text, they may also come from forms, reports and legacy code.
A report that shows the characters that still need actors for the current performance and storing the student details if all requirements are met, providing a suitable message for Vicky
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.
You are to design a prototype for a hospital management system. Design a data model for this system, Convert the data model to a set of virtual windows.
What are the functional dependencies among the data represented in this first normal form relation?
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