What are stored and derived attributes, Database Management System

Assignment Help:

What are stored and derived attributes?

Stored attributes: The attributes keeps in a data base are known as stored attributes.

Derived attributes: The attributes that are derived from the stored attributes are known as derived attributes.

Related Discussions:- What are stored and derived attributes

Determine advantages of merging an association into a class, What are the a...

What are the advantages and disadvantages of merging an association into a class? Advantages: i) Less number of tables ii) Faster performance due to the fewer tables

Main difference between read-only and update methods, What is the main diff...

What is the main difference between read-only and update methods? A read-only method does not affect the values of a variable in an object, whereas an update method may alter t

Object-based models - data models, Object-based Models: Use objects as key ...

Object-based Models: Use objects as key data representation components . Examples:- Entity-Relationship Model: It is a collection of real world objects known as entitie

Data fregmentation, why we fregment at all?

why we fregment at all?

Difference between functions along with or without grouping, Explain the di...

Explain the difference between using functions along with and without grouping attributes in relational algebra. Give examples. Ans: Group functions are used to group data of

Explain the exec statement in sql, Explain the EXEC statement in SQL A...

Explain the EXEC statement in SQL Ans: All statements which start with EXEC SQL are embedded SQL database statements. High level languages such as C can be employed to write a

Explain alternate key, Explain Alternate key? Alternate Key - All the...

Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.

Answer, Describe multi key files

Describe multi key files

Inverted structure, what is inverted and multilist structure

what is inverted and multilist structure

What is the main advantage of the object model, What is the main advantage ...

What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many

Write Your Message!

Name

Email id

Message

Verfication Code

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!

Submit Assignment

User Account

All Pages