What is meant by logical independence

Assignment Help Basic Computer Science

Reference no: EM13776240

1. What is meant by logical independence?

2. Explain the term second normal form.

3. How are comparisons done on character string data in a query's WHERE clause, and why would this be especially useful in comparing certain attributes?

4. In using group functions, we cannot place a group function in a WHERE clause. Explain how the WHERE clause and HAVING clause are similar and why you can use the HAVING with a group function but not a WHERE clause.

5. Write the SQL statement that will remove the database table EMPLOYEE.

Reference no: EM13776240

Questions Cloud

Types of information systems available to businesses : Scenario: Imagine that you and a business partner are considering starting a small, brick & mortar, nostalgic record store. Your friend does not have much experience with information systems or technology, and needs a basic understanding of the di..

Potential implementation of new information systems : Prepare a 350- to 700-word proposal addressing the potential implementation of new information systems in your organization.

Write a program to create a customer''s bill for a company : Write a program to create a customer's bill for a company. The company sells five computer gadgets which are CD, keyboard, printer, pen drive and speaker.

Write an essay about should ads that promote products : Write an essay about should ads that promote products using subtle manipulation be regulated by the government.

What is meant by logical independence : What is meant by logical independence. Explain the term second normal form.

How did opentable change its marketing strategy to succeed : How did OpenTable change its marketing strategy to succeed? Why would restaurants find the software-as-a-service model very attractive?

What can be implemented to eliminate the strain : What can be implemented to eliminate the strain and costs associated with emergency departments and also provide care regardless of ability to pay

Proof of the agreement and its terms : The Statute of Frauds is additionally intended to affirm that, for particular sorts of agreement, there is tried and true proof of the agreement and its terms Forthis situation.Despite Charter offering Ken a 10% commission, (for whatever remains o..

Explain something that you can not control about your life : Write a four pages paper about Something that you can't control about your life is your family. Good, bad, or ugly, you start your life with them in some capacity.

User Account

All Pages