Data Storage
6.1. Data Storage Once data is collected, they need to be entered and stored in some storage system. A proper storage of data ensures safekeeping for future uses and references. Data can be stored in various electronical and non-electronical ways. In current times electronic storage system are more durable and thus trustable to store our data in safety for a long period of time. Various sources such as cloud, hard disk, local drive, pen drive, etc… are available to store data. [1] 6.1. Data Warehouse ‘Data warehouse is a form of database which contains structured heterogeneous data (data of different kinds). The heterogenous data are linked up with each other with some relationships between them collected from different sources. For example, customer data of a shop, product sales data of the same shop are two heterogeneous data but linked up with a common thing called products.’ [2] 6.2. Database ‘Database is a systematic way of storing data. Data collected from various ...