Describe deductive databases and relational databases, Database Management System

Assignment Help:

Problem :

(b) A deductive database system is essentially the outcome of applying mathematics logic to database management, where logic is used for both data representation and data manipulation.

(i) Explain the relationships and the differences between a deductive databases and relational databases.
(ii) In the context of deductive databases, explain the following concepts:

♦ Intentional database.
♦ Extensional database.
♦ Recursive query.

Related Discussions:- Describe deductive databases and relational databases

Data replication, Data Replication "If a relation R has its copies kept...

Data Replication "If a relation R has its copies kept at two or more sites, then it is considered replicated". But why do we replicate a relation? There are several advan

Convert the erd into its relevant relational schema, Question: Describe...

Question: Describe briefly the three parts of the Relational Model. (a) The term integrity refers to the accuracy or correctness of the data in the database. Define the fol

Differentiate between primary and secondary storage, Differentiate between ...

Differentiate between Primary and secondary storage? Primary and secondary storage - Primary storage device stores the data temporarily. Primary storage is commonly used thro

Project on designing and creating a database , This project will involve de...

This project will involve designing and creating a database for an organization. In the design of a database, there is no single "perfect" design. So your database design may not

What is storage manager, What is storage manager? A storage manager ...

What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs

Define physical and logical data independence, Define physical and logical ...

Define physical and logical data independence. How does this architecture help in achieving these? Data independence entails that change in one view must not need a change in t

Give the forms of triggers, Give the forms of triggers? The triggering ...

Give the forms of triggers? The triggering event can be insert or delete. For updated the trigger can state columns. The referencing old row as clause The referencing

advantages of database over file system, Q. Why would you choose a datab...

Q. Why would you choose a database system instead of simply storing data in operating system file? Define at a base concept in details. Sol. Advantages of Database over Fil

Organize the clients from email marketing, Function requirement as given: ...

Function requirement as given: 1> manage fans and likes and followings those information from facebook. twitter. google+ and linkedin etc 2> Organize the clients from email m

What is called a query evaluation plan, What is called a query evaluation p...

What is called a query evaluation plan? A sequence of primitive operations that can be used to assess a query is a query evaluation plan or a query implementation plan.

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages