Describe relational model?

Structure of relational data base

Basic structure

Database schema

Keys

Schema diagram

Query languages

 

Posted Date: 6/3/2013 2:28:40 AM | Location : United States

Ask an Expert

Related Discussions:- Describe relational model, Assignment Help, Ask Question on Describe relational model, Get Answer, Expert's Help, Describe relational model Discussions

Write discussion on Describe relational model
Your posts are moderated

Write your message here..

Related Questions

What are the benefits of prepared statements, What are the benefits of prep... What are the benefits of prepared statements and place holders? Parameter binding operations automatically handle escaping of characters Encourage Statement reuse

What are the different integrity constraints in rdbms, What are the differe... What are the different integrity constraints in RDBMS? The various integrity constraints in RDBMS are as: Primary Key: primary key is a grouping of one or more attributes

What are the advantages of using a dbms, What are the advantages of using a... What are the advantages of using a DBMS? The benefits of using a DBMS are a) Controlling redundancy b) Restricting unauthorized access c) Giving multiple user interfac

Hoework, Farmer Bob, Farmer Jane and Farmer Jose run a cow farming co-op. ... Farmer Bob, Farmer Jane and Farmer Jose run a cow farming co-op. For every cow they keep the cow’s name, age (or date of birth), breed and numbered plastic ear tag. The each of t

How to apply the bcnf decomposition , Consider the following relational sch... Consider the following relational scheme: R (a,b,c,d,e,f) and its corresponding set of FDs {d→ a, be → c, ac → e, b → f, f → d, a → c}. a. Is the following decomposition i) non

Dataware house, ) Define a job scheduling strategy that will meet business ... ) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a picto

Write a qbe query to display names of cs department, Consider a table stude... Consider a table student (std_id, std_name, date_of_birth, percent_marks, dept_name). Write a QBE query to display names of Computer Science department students who have scored mo

BOGUS VS GENUINE EMPOWERMENT, what is bogus empowerment. And what is genuin... what is bogus empowerment. And what is genuine empowerment

What is data independence, What is data independence? Data Independenc... What is data independence? Data Independence: Techniques which permit data to be changed without affecting the applications in which procedure it. There are two types of data

Clinic, Need a sample of a clinic database relationships Need a sample of a clinic database relationships