Lecture 3 is a presentation of the fundamental method of the development of the schema of a relational database. This method consists of two steps. During the first step we design the data model of ...

In this scenario, you have recently been hired as a Data Engineer by a New York based coffee shop chain that is looking to expand nationally by opening a number of franchise locations. As part of ...

A table in a database holds the attributes for one entity only. Data can then be added in the form of records. Rather than storing information in one table, relational databases store data across ...