Database systems, projects help, Other Subject

Assignment Help:
Create two sample functional dependencies, one to demonstrate a single attribute primary key and one to demonstrate a multi-attribute composite key. Also, summarize (in a sentence or two) the role and purpose of a foreign key and referential integrity. Note any assumptions.

Related Discussions:- Database systems, projects help

Features of universal currency, FEATURES of Universal currency Proponen...

FEATURES of Universal currency Proponents argue that DGC presents a accurately global and borderless world currency system which is free of exchange rate variations and politic

Provide overview of the general soil management strategy, Question 1: (...

Question 1: (a) Show the causes and consequences of land and soil degradation. (b) Provide overview of the general soil management strategy. Question 2: Review the p

Past tence, What is the past tense of have?

What is the past tense of have?

Small intestine, The chyme enters the small intestines where all the nutrie...

The chyme enters the small intestines where all the nutrients are absorbed through the microscopic finger like villi on the lining of the small intestines. Vitamins and minerals pa

History, why are colonies useful to have if a nation is thinking about goin...

why are colonies useful to have if a nation is thinking about going to war?

Structure of the digestive system, The digestive system is a series of holl...

The digestive system is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. Inside this tube is a lining called the mucosa. In the mouth, stomach,

Multiplexer, How to impliment 32:1 mux using 16:1 mux

How to impliment 32:1 mux using 16:1 mux

Responsible for bacterial motility, 1.  How does true motility differ from ...

1.  How does true motility differ from Brownian movement? 2.  What morphological structure is responsible for bacterial motility? 3.  Why is a wet preparation discarded in di

Advantage and disadvantage of discounting technical reserves, Question: ...

Question: a) State the advantages and disadvantages of discounting technical reserves. b) Company A and Company B have always had exactly the same portfolio of business, e

, if the centre of gravity of the ship and cargo is too low (GM is too la...

if the centre of gravity of the ship and cargo is too low (GM is too large) the ship has a “stiff” response to heavy rolling of the ship; this can damage the ship’s structure and/

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