Dbms, computer programming, Programming Languages

2. Design an ER diagram for an IT training group database that will meet the information need’training programme. Clearly indicate the entities, relationships and the key constraints. The description of the environment is as follows:
The company has 12 instructors and can handle up to 100 trainees for each training session. The company offers 5 Advanced technology courses, each of which is taught by a team of 2 or more instructors Each instructor is assigned to a maximum of two teaching teams or may be assigned to do research Each trainee undertakes one Advanced technology course per training session.
3. An organization has multiple retail stores. These stores have to keep track of products, suppliers, customers and employees. They also make discount offers on several items during festivals. Make an ER_diagram stating assumptions used, if any. Use concept of keys, aggregation, generalization, cardinality etc. in a proper way.
Perform the following queries in SQL based on your ER-diagram:
? Find the details of products which have got more than discount.
? Find the details of stores which have maximum sales monthly.
? Find details of employee who have been working with retail stores more than 15 years.
Posted Date: 3/21/2012 1:27:12 AM | Location : United States







Related Discussions:- Dbms, computer programming, Assignment Help, Ask Question on Dbms, computer programming, Get Answer, Expert's Help, Dbms, computer programming Discussions

Write discussion on Dbms, computer programming
Your posts are moderated
Related Questions
1. You are working as a designer for a university that offers a program in Computer Science. One of the tracts is computer security. One of your colleagues has recommended adding a

What are Relative URLS ? When a web browser reads an HTML document, it has a great deal of information about the document. This includes the protocol used to retrieve the docu

Prepare an XML document that contains calendar information such as the following text describes: The calendar is owned by a person (e.g. John Smith) and has a few paragraphs tha

I need help putting this into a flowchart constant c as Integer = 3500 Constant CALORIESTOOUNCE as Integer = 219 Declare Sex as Character Declare Age as Integer Declare Weight as I

Let us say we have a list of 10 animal objects called "animals" in Alice. Write the code to move them forward synchronously by 1 meter.

Assume that you are a college professor needing to average grades for 10 students. Write a program that asks for each student's name and grade. Print the list on-screen with each s

Objective: to show if the sizes of the clusters influence the communication cost among a set on nodes Write a K-Means  program  for a set of M points randomly distributed on an

The idea of this section is not to do anything new along with a series solution problem.  Instead this is here to exemplify that moving in a higher order differential equation does

What are the string data transfer instruction in assembly language? Explain all types of string data transfer instructions with examples of each? What will be the behavior of direc

Write a function lastfirst() that takes a list of strings as a parameter. Each string in the list has the format ''Last, First'' where Last is a last name and First is a first nam