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What does the Logical Level of data abstraction define?

A Graph Database is best for analysing relationships between people, such as in social networks?

INSY6112

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Answers

1
A Graph Database is best for analysing relationships between people, such as in social networks?
False
True
2
What does the Logical Level of data abstraction define?
The security settings applied to different user roles
The structure of tables, relationships, and constraints
The way users interact with data through applications
The exact file structure used to store data on a disk
3
What is a Database Management System (DBMS)?
Software for retrieving, storing and managing data
A type of operating system
A tool that organises files on a computer
A system for managing spreadsheets and documents
4
Which of the following is NOT a primary function of a DBMS?
Ensuring data consistency across multiple users
Processing and executing SQL queries
Controlling access to data
Automatically writing application code
5
The Conceptual Level of data abstraction deals with how data is physically stored on disk
False
True
6
What is a key characteristic of a Relational Database?
It uses tables with rows and columns to represent data
It stores data in hierarchical structures
It only supports small-scale data storage
It organises data using key-value pairs