BARU
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Total soal: 15
Worksheet time: 8mins
The view of total database content is
conceptual view
Internal view
External view
Physical view
Architecture of the database can be viewed as
Two levels
Four levels
Three levels
One level
The database enviornment has all of the following component except
Users
Separate files
Database
Database administrartor
In the architecture of a databse system external level is the
Physical level
Logical level
Conceptual level
View level
The way a particular application views the data from the database that the application uses is a
Module
Relational model
Schema
Sub Schema
The DBMS language component which can be embedded in a program is
The data definition language(DDL)
The data manipulation language(DML)
A query language
None of these
A sub schema expresses
Logical view
Physical view
External view
All of above
Which of the following is record based logical model?
Network model
Object oriented model
None of these
Both of them
Which process is known as organising data into related tables.
Normalization
Generalization
Specilization
None of above
Which database level is closest to the users?
External
Internal
Physical
Conceptual
A top to bottom relationship among the items in a databse is established by a
Hierarchical schema
Network schema
Relational schema
All of the above
The level of a data abstraction which describes how the data is actually stored is
Conceptual level
physical level
file level
none of these
Collection of information stored in a database at a particular moment is
View
Schema
Instance
None of these
Full form of DDL is-
Dynamic data language
Detailed data language
Data definition language
Data derivation language
A data model is :___
Used to describe the structure of databse
Set of basic operations on the database
Both a and b
None of the above
