Data Models
Authored by Kanakadurga V
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
___________ in DBMS are essentially blueprints that define how data is structured and organized within a database.
Data models
Database
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data Models provide a ________ for representing data, its relationships, and the rules governing its use.
clear picture
framework
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Essentially, a data model acts as a _______________ of the physical data stored in the database.
physical representation
conceptual representation
logical representation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data Models are classifies as ___ types
1
2
3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The __________ is one of the oldest models in the data model which was developed by IBM, in the 1950s.
Hierarchical Model
Network model
DBMS
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In __________ the data is organized into a tree-like structure where each record consists of one parent record and many children.
Hierarchical database model
NETWORK DATA MODEL
RELATIONAL DATA MODEL
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The ________________ is an extension of the hierarchical model, allowing multiple parent-child relationships, thus creating a graph structure.
Network data model
ER Model
Relational Data model
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