Crowdly

What is a DBMS?

A Database Modelling System

A Database Migration System

A Database Monitoring System

A Database Management System

Choose the appropriate terms for entity-relationship model

Property

or characteristic of entity

Association

or link

between two entities

Any

object, exists physically or conceptually

What is a database?

A collection of videos

A collection of related data

A collection of images

A collection of unrelated data

Purpose of Conceptual Schema:

Shows

relevant info particular to user, hides rest of the info

Describes

entities, their relationships and constraints

Describes

the physical storage of

database

Describes

structure of whole

database

The Database Management System (DBMS) is defined as a software system that allows the user ...

to create database objects

to provide a unique interface for any format of data

to define, manipulate, and manage data in a database

to provide control of access to the data

to store data in a cloud storage

Choose the appropriate terms

Represented

using a tree-diagram

Data

elements are stored in different tables

made up of rows and columns

Can

represent one-to-one and many-to-many as

well

Which of the following is not a data model?

Hierarchical data model

Network data model

Linear data model

Relational data model

What is a relational database?

A database that stores data in a hierarchical structure

A database that stores data in a single table

A database that stores data in tables consisting of rows and columns

A database that stores data in a network structure