A database schema is the skeleton formation that describes the logical view of the complete database. It explains how the data is prepared and how the relationships among them are blended. It expresses all the pressures that are to be employed to the data.A database schema specifies its entities and the connections among them. It contains a vivid detail of the database, which can be described utilizing schema designs. It’s the database creators who compose the schema to support programmers to know the database and address it valuable. A database schema can be broadly classified into two components: Physical Database Schema & Logical Database Schema.