ICT
ARCHITECTURE OF 8085
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Normal forms
|
|
|
Views
|
|
|
Relations
|
|
|
None of the above
|
Detailed explanation-1: -The process of logical design involves arranging data into a series of logical relationships called entities and attributes. An entity represents a chunk of information. In relational databases, an entity often maps to a table. An attribute is a component of an entity and helps define the uniqueness of the entity.
Detailed explanation-2: -A Logical View defines an information concept in your company data system. It is constituted of a collection of elementary data, which is represented by Data Elements. It is conveyed between the server and the client parts through the message that both parts exchange to communicate.
Detailed explanation-3: -The logical units of database space allocation are data blocks, extents, segments, and tablespaces.
Detailed explanation-4: -A DBMS enables us to define a database on three levels: 1. Schema-is an overall logical view of the relationships between data in a database.