In this flat file database, the data on each member of staff is held together with all data for each department. This is unnecessary as some information is stored more than once (eg the same phone ...

Excel possesses formidable database powers. Creating a relational database starts with a Master table that links it to subordinates, called (awkwardly) Slave, Child, or Detail tables. Before we ...

Flat file databases cause insertion, deletion and update anomalies. Use of relational databases where primary and foreign keys are used to link tables helps overcome these issues. Analysis Inputs ...