Digital Signatures
Digital signatures are very much like handwritten signatures, they are proof of authenticity. Digital signatures are one of the three data protection methods of authentication. […]
Managing data
Encryption
Transferring data over networks is inherently insecure. The traffic passes through multiple routers and if any of those routers are compromised by a hacker or […]
Database visual interface
Relational databases can look very confusing with the many tables, records, and fields. Databases are used to hold large amounts of data. This means navigating […]
Privacy (Australian Privacy Act 1988)
There are legal requirements for large companies and companies who hold sensitive information (medical businesses, gyms, market research, schools, etc) about the public to protect that […]
Intro to SQL
Structured Query Language (SQL) is a non-procedural programming language to manage data in a database. In this course we only learn SQL to query (retrieve) […]
Data Anomalies
Normalisation is the process of splitting relations into well-structured relations that allow users to insert, delete, and update tuples without introducing database inconsistencies. Without normalisation […]