01 Data and Information

Data and Information

CP - Complete Notes
Data and Information

Table of Contents

Table of Contents 1

Data Representation 2

Number Systems 2

Binary System 3

Conversion of Decimal to Base-n 3

Conversion of Base-n to Decimal 3

Conversion of a number from Binary to Hexadecimal 4

Check Digit 4

Definition 4

Mod 11 4

Database and Management Systems (DBMS) 5

Backup vs Archive 5

Database Management System 5

Relational Database 7

Structured Query Language (SQL) 8

Normalisation 12

Entity Relationship Diagrams 15

NoSQL 16

Definition 16

Problems with SQL (RDBMS) 16

NoSQL Fixes 16

When to use NoSQL vs SQL 16

MongoDB Data Model 17

CRUD Operations 17

Advanced Structures 18

PyMongo 19

Ethics and Impact 20

1. General Ethical Principles 20

2. Professional Responsibilities 20

3. Professional Leadership Principles 21

4. Compliance with the Code 21

Data Privacy and PDPA 22

Data Privacy 22

Personal Data Protection Act (PDPA) 22