Database, computer science, Basic Computer Science

Assignment Help:
Q1: ER modelling & logical design.
An information system is required for an online auction site, based on the following speci?cation:
Only registered users can use the site. Private users can either sell or bid, but commercial users are only allowed to sell via the site. Apart from user information, the database should also store information about items that are put up for sale. Customers can place a bid for an item or can cancel their bidding. They can also increase their previous offer. The database is meant to track all transactions and it is not intended to delete or modify previously entered data.
Develop an entity-relationship diagram annotated with multiplicities, and translate your design into SQL “CREATE TABLE” statements.

Related Discussions:- Database, computer science

Explain the basic structure of a c program, Question 1 Explain the basic...

Question 1 Explain the basic structure of a C program with an example 2 What would be the value of x after execution of the following statements? 3.What are the commonly u

What is a stateless and and a stateful server, StatefulServer, maintains so...

StatefulServer, maintains some information between requests. Requires smaller messages, since some information is kept between contacts, example: FTP, telnet. Stateless Server req

Telecommunications network, Telecommunications network: "A telecommuni...

Telecommunications network: "A telecommunications network, at its simplest, may be regarded as comprising a transmission network, an arrangement of transmission paths and swit

Javascript, Need help with javascript sb.append questions

Need help with javascript sb.append questions

About execution cycle, One time a program is in memory it has to be execut...

One time a program is in memory it has to be executed. To do this, each instruction must be appeared at, decoded and acted upon in turn until the program is finished. This is accom

Characteristics of artificial intelligence, Characteristics of Artificial I...

Characteristics of Artificial Intelligence: Artificial Intelligence is not an easy science to describe, as it has fuzzy borders with simulation mathematics, computer science t

Stable marriage Problem, How to make a stale marriage program by implementi...

How to make a stale marriage program by implementing the Gale Shapley algorithm using Java program

Cp, I NEED FLOW CHART ANT DRAWINGS OF BASIC OPERATIONS OF COMPUTER

I NEED FLOW CHART ANT DRAWINGS OF BASIC OPERATIONS OF COMPUTER

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd