Data Structures

Star Schema

At the most basic form, the database schema is the representation of the logical configuration of the relational database, as a whole or as a part. It can also be defined as the skeletal structure which demonstrates the entire database through a logical view. It may exist only as a visual representation or as a group of formulae which govern a database. These formulae are communicated through a data definition language for the system to understand, such as SQL. 

Read more