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 […]
Month: March 2017
Data Dictionary
A data dictionary is a CASE tool, along with an ERD, used to help plan a database. It is also part of the system documentation […]
Normalisation (Database)
Data normalisation organises data in a database (across multiple tables/entities/relations) to ensure there is no data redundancy and to avoid anomalies (insert, deletion, update). There […]