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

Define virtualization, Question 1 Define virtualization. Discuss the benef...

Question 1 Define virtualization. Discuss the benefits of virtualization. Discuss the benefits of server virtualization Question 2 What is para virtualization? How para vi

Cisc, two characteristics og CISC architecture?

two characteristics og CISC architecture?

Source and object programs, Source and Object Programs A set of instruc...

Source and Object Programs A set of instructions in a high-level language are called “Source program”. Since high-level languages are machine independent, it is required to fir

Program planning (preparation of a flow chart), Program Planning (Preparati...

Program Planning (Preparation of a Flow Chart) A flow chart is a graphic method for indicating a proposed or actual solution to the problem. A flow chart shows the steps a comp

Enterprise resource planning, ENTERPRISE RESOURCE PLANNING What ...

ENTERPRISE RESOURCE PLANNING What has football got to do with it? asks management guru Michael Hammer in his latest best seller Beyond Reengineering. The answer is almos

What are the Proposals for Achieving Mutual Exclusion?, Proposal a) Disabli...

Proposal a) Disabling Interrupts (Hardware Solution) • Every process disables all interrupts just after entering in its critical section and re-enables all interrupts just previous

Artificial intelligence-general considerations for search, General Consider...

General Considerations for Search If we can specify the first state, the operators and the goal check for a look for difficulty, then we know where to create, how to move and w

Pseudocode, Design a program that will read a file of sales records and pro...

Design a program that will read a file of sales records and produce a sales report. Each record in the file contains a customer’s ID, name, a sales amount, and a validated GST code

CAI, EXPLAIN CAI? AND ITS PITFALLS

EXPLAIN CAI? AND ITS PITFALLS

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