Modeller Interview Questions and Answers

I am a database professional. A database is a collection of data organized in a specific way. There are three types of schema: physical, logical, and view.

• A database is a structured collection of data that is stored and organized in a specific way

• Types of databases include relational, NoSQL, and object-oriented

• A schema is a blueprint for organizing data in a database

• Physical schema defines how data is stored on disk

• Logical schema defines the structure of the data in the datab...read more